./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-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_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/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_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/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_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/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 079768eb2ce141267a1411f9330cb4d0cef674bf78865555f3130b47379d643a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:34:47,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:34:47,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-23 21:34:47,437 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:34:47,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:34:47,475 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:34:47,475 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:34:47,476 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:34:47,477 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 21:34:47,482 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 21:34:47,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:34:47,483 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:34:47,484 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:34:47,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:34:47,486 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 21:34:47,487 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:34:47,487 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:34:47,488 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:34:47,488 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:34:47,488 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:34:47,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:34:47,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:34:47,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:34:47,492 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:34:47,492 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:34:47,493 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:34:47,493 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:34:47,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:34:47,494 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:34:47,495 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:34:47,496 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:34:47,496 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:34:47,497 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:34:47,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:34:47,497 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:34:47,498 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:34:47,509 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:34:47,509 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 21:34:47,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:34:47,510 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:34:47,510 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 21:34:47,511 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:34:47,511 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 21:34:47,511 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:34:47,512 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_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 079768eb2ce141267a1411f9330cb4d0cef674bf78865555f3130b47379d643a [2023-11-23 21:34:47,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:34:47,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:34:47,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:34:47,840 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:34:47,840 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:34:47,842 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound1.c [2023-11-23 21:34:51,031 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:34:51,314 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:34:51,315 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound1.c [2023-11-23 21:34:51,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/data/f330f1efe/df339b60888f4d888cd0401529cba0b1/FLAG0af5b1268 [2023-11-23 21:34:51,340 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/data/f330f1efe/df339b60888f4d888cd0401529cba0b1 [2023-11-23 21:34:51,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:34:51,347 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:34:51,350 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:34:51,351 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:34:51,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:34:51,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:34:51" (1/1) ... [2023-11-23 21:34:51,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec905b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:34:51, skipping insertion in model container [2023-11-23 21:34:51,358 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:34:51" (1/1) ... [2023-11-23 21:34:51,389 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:34:51,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:34:51,635 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:34:51,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:34:51,676 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:34:51,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:34:51 WrapperNode [2023-11-23 21:34:51,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:34:51,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:34:51,678 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:34:51,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:34:51,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:34:51" (1/1) ... [2023-11-23 21:34:51,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:34:51" (1/1) ... [2023-11-23 21:34:51,717 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2023-11-23 21:34:51,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:34:51,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:34:51,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:34:51,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:34:51,728 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:34:51" (1/1) ... [2023-11-23 21:34:51,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:34:51" (1/1) ... [2023-11-23 21:34:51,730 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:34:51" (1/1) ... [2023-11-23 21:34:51,743 INFO L189 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-23 21:34:51,743 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:34:51" (1/1) ... [2023-11-23 21:34:51,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:34:51" (1/1) ... [2023-11-23 21:34:51,758 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:34:51" (1/1) ... [2023-11-23 21:34:51,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:34:51" (1/1) ... [2023-11-23 21:34:51,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:34:51" (1/1) ... [2023-11-23 21:34:51,777 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:34:51" (1/1) ... [2023-11-23 21:34:51,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:34:51,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:34:51,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:34:51,781 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:34:51,782 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:34:51" (1/1) ... [2023-11-23 21:34:51,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:34:51,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:34:51,823 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:34:51,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:34:51,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:34:51,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 21:34:51,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:34:51,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:34:51,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 21:34:51,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 21:34:51,934 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:34:51,936 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:34:52,219 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:34:52,253 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:34:52,254 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 21:34:52,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:34:52 BoogieIcfgContainer [2023-11-23 21:34:52,254 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:34:52,257 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:34:52,258 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:34:52,261 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:34:52,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:34:51" (1/3) ... [2023-11-23 21:34:52,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@574d16c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:34:52, skipping insertion in model container [2023-11-23 21:34:52,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:34:51" (2/3) ... [2023-11-23 21:34:52,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@574d16c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:34:52, skipping insertion in model container [2023-11-23 21:34:52,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:34:52" (3/3) ... [2023-11-23 21:34:52,265 INFO L112 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_unwindbound1.c [2023-11-23 21:34:52,286 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:34:52,287 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2023-11-23 21:34:52,343 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:34:52,354 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;@8409e2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:34:52,354 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2023-11-23 21:34:52,363 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 47 states have (on average 1.8936170212765957) internal successors, (89), 81 states have internal predecessors, (89), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-23 21:34:52,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 21:34:52,374 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:34:52,375 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-23 21:34:52,378 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2023-11-23 21:34:52,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:34:52,409 INFO L85 PathProgramCache]: Analyzing trace with hash 170085917, now seen corresponding path program 1 times [2023-11-23 21:34:52,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:34:52,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520799784] [2023-11-23 21:34:52,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:52,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:34:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:34:52,632 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 21:34:52,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:34:52,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520799784] [2023-11-23 21:34:52,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520799784] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:34:52,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:34:52,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:34:52,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601825455] [2023-11-23 21:34:52,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:34:52,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:34:52,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:34:52,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:34:52,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:34:52,691 INFO L87 Difference]: Start difference. First operand has 90 states, 47 states have (on average 1.8936170212765957) internal successors, (89), 81 states have internal predecessors, (89), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 21:34:52,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:34:52,766 INFO L93 Difference]: Finished difference Result 178 states and 210 transitions. [2023-11-23 21:34:52,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:34:52,768 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2023-11-23 21:34:52,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:34:52,778 INFO L225 Difference]: With dead ends: 178 [2023-11-23 21:34:52,778 INFO L226 Difference]: Without dead ends: 87 [2023-11-23 21:34:52,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:34:52,788 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:34:52,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:34:52,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-23 21:34:52,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-23 21:34:52,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 46 states have (on average 1.8043478260869565) internal successors, (83), 79 states have internal predecessors, (83), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-23 21:34:52,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2023-11-23 21:34:52,841 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 5 [2023-11-23 21:34:52,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:34:52,842 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2023-11-23 21:34:52,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 21:34:52,842 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2023-11-23 21:34:52,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 21:34:52,843 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:34:52,843 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-23 21:34:52,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:34:52,844 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2023-11-23 21:34:52,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:34:52,845 INFO L85 PathProgramCache]: Analyzing trace with hash 170145499, now seen corresponding path program 1 times [2023-11-23 21:34:52,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:34:52,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648783325] [2023-11-23 21:34:52,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:52,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:34:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:34:52,971 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 21:34:52,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:34:52,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648783325] [2023-11-23 21:34:52,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648783325] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:34:52,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:34:52,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:34:52,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971266337] [2023-11-23 21:34:52,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:34:52,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:34:52,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:34:52,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:34:52,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:34:52,976 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 21:34:53,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:34:53,042 INFO L93 Difference]: Finished difference Result 101 states and 109 transitions. [2023-11-23 21:34:53,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:34:53,043 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2023-11-23 21:34:53,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:34:53,045 INFO L225 Difference]: With dead ends: 101 [2023-11-23 21:34:53,045 INFO L226 Difference]: Without dead ends: 91 [2023-11-23 21:34:53,046 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 21:34:53,047 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 4 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:34:53,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 264 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:34:53,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-23 21:34:53,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-23 21:34:53,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 50 states have (on average 1.74) internal successors, (87), 83 states have internal predecessors, (87), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-23 21:34:53,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 99 transitions. [2023-11-23 21:34:53,070 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 99 transitions. Word has length 5 [2023-11-23 21:34:53,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:34:53,072 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 99 transitions. [2023-11-23 21:34:53,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 21:34:53,073 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions. [2023-11-23 21:34:53,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 21:34:53,073 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:34:53,074 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:34:53,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:34:53,075 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2023-11-23 21:34:53,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:34:53,076 INFO L85 PathProgramCache]: Analyzing trace with hash 743199255, now seen corresponding path program 1 times [2023-11-23 21:34:53,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:34:53,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443480502] [2023-11-23 21:34:53,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:53,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:34:53,107 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:34:53,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1105119918] [2023-11-23 21:34:53,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:53,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:34:53,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:34:53,110 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:34:53,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:34:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:34:53,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:34:53,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:34:53,188 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 21:34:53,189 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:34:53,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:34:53,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443480502] [2023-11-23 21:34:53,190 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:34:53,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105119918] [2023-11-23 21:34:53,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105119918] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:34:53,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:34:53,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:34:53,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078409647] [2023-11-23 21:34:53,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:34:53,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:34:53,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:34:53,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:34:53,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:34:53,194 INFO L87 Difference]: Start difference. First operand 91 states and 99 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 21:34:53,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:34:53,241 INFO L93 Difference]: Finished difference Result 114 states and 124 transitions. [2023-11-23 21:34:53,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:34:53,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2023-11-23 21:34:53,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:34:53,244 INFO L225 Difference]: With dead ends: 114 [2023-11-23 21:34:53,244 INFO L226 Difference]: Without dead ends: 112 [2023-11-23 21:34:53,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 21:34:53,246 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 18 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:34:53,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 164 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:34:53,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-23 21:34:53,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 93. [2023-11-23 21:34:53,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 52 states have (on average 1.7115384615384615) internal successors, (89), 85 states have internal predecessors, (89), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-23 21:34:53,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 101 transitions. [2023-11-23 21:34:53,261 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 101 transitions. Word has length 8 [2023-11-23 21:34:53,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:34:53,262 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 101 transitions. [2023-11-23 21:34:53,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 21:34:53,263 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 101 transitions. [2023-11-23 21:34:53,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 21:34:53,263 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:34:53,264 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:34:53,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:34:53,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:34:53,490 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2023-11-23 21:34:53,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:34:53,491 INFO L85 PathProgramCache]: Analyzing trace with hash 148914924, now seen corresponding path program 1 times [2023-11-23 21:34:53,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:34:53,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134313088] [2023-11-23 21:34:53,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:53,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:34:53,519 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:34:53,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1325456068] [2023-11-23 21:34:53,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:53,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:34:53,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:34:53,523 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:34:53,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 21:34:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:34:53,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:34:53,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:34:53,647 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 21:34:53,647 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:34:53,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:34:53,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134313088] [2023-11-23 21:34:53,648 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:34:53,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325456068] [2023-11-23 21:34:53,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325456068] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:34:53,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:34:53,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:34:53,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841043170] [2023-11-23 21:34:53,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:34:53,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:34:53,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:34:53,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:34:53,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:34:53,659 INFO L87 Difference]: Start difference. First operand 93 states and 101 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 21:34:53,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:34:53,790 INFO L93 Difference]: Finished difference Result 163 states and 179 transitions. [2023-11-23 21:34:53,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:34:53,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 15 [2023-11-23 21:34:53,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:34:53,798 INFO L225 Difference]: With dead ends: 163 [2023-11-23 21:34:53,799 INFO L226 Difference]: Without dead ends: 157 [2023-11-23 21:34:53,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 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 21:34:53,803 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 59 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:34:53,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 139 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:34:53,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-11-23 21:34:53,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 127. [2023-11-23 21:34:53,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 80 states have (on average 1.725) internal successors, (138), 113 states have internal predecessors, (138), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 21:34:53,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 162 transitions. [2023-11-23 21:34:53,825 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 162 transitions. Word has length 15 [2023-11-23 21:34:53,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:34:53,825 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 162 transitions. [2023-11-23 21:34:53,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 21:34:53,826 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 162 transitions. [2023-11-23 21:34:53,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 21:34:53,826 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:34:53,827 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:34:53,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:34:54,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:34:54,047 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2023-11-23 21:34:54,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:34:54,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1373323182, now seen corresponding path program 1 times [2023-11-23 21:34:54,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:34:54,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145031460] [2023-11-23 21:34:54,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:54,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:34:54,069 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:34:54,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1036751653] [2023-11-23 21:34:54,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:54,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:34:54,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:34:54,076 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:34:54,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 21:34:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:34:54,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:34:54,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:34:54,295 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 21:34:54,296 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:34:54,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:34:54,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145031460] [2023-11-23 21:34:54,296 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:34:54,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036751653] [2023-11-23 21:34:54,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036751653] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:34:54,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:34:54,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:34:54,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117310824] [2023-11-23 21:34:54,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:34:54,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:34:54,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:34:54,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:34:54,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:34:54,300 INFO L87 Difference]: Start difference. First operand 127 states and 162 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 21:34:54,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:34:54,446 INFO L93 Difference]: Finished difference Result 153 states and 169 transitions. [2023-11-23 21:34:54,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:34:54,447 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 17 [2023-11-23 21:34:54,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:34:54,448 INFO L225 Difference]: With dead ends: 153 [2023-11-23 21:34:54,466 INFO L226 Difference]: Without dead ends: 150 [2023-11-23 21:34:54,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 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 21:34:54,469 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 187 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:34:54,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 138 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:34:54,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2023-11-23 21:34:54,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 128. [2023-11-23 21:34:54,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 81 states have (on average 1.691358024691358) internal successors, (137), 114 states have internal predecessors, (137), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 21:34:54,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 161 transitions. [2023-11-23 21:34:54,487 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 161 transitions. Word has length 17 [2023-11-23 21:34:54,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:34:54,487 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 161 transitions. [2023-11-23 21:34:54,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 21:34:54,488 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 161 transitions. [2023-11-23 21:34:54,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 21:34:54,489 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:34:54,489 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:34:54,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:34:54,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:34:54,710 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2023-11-23 21:34:54,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:34:54,710 INFO L85 PathProgramCache]: Analyzing trace with hash -376654252, now seen corresponding path program 1 times [2023-11-23 21:34:54,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:34:54,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820626087] [2023-11-23 21:34:54,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:54,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:34:54,724 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:34:54,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [769728718] [2023-11-23 21:34:54,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:54,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:34:54,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:34:54,733 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:34:54,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 21:34:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:34:54,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:34:54,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:34:54,867 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 21:34:54,867 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:34:54,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:34:54,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820626087] [2023-11-23 21:34:54,868 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:34:54,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769728718] [2023-11-23 21:34:54,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769728718] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:34:54,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:34:54,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:34:54,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422440452] [2023-11-23 21:34:54,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:34:54,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:34:54,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:34:54,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:34:54,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:34:54,871 INFO L87 Difference]: Start difference. First operand 128 states and 161 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 21:34:55,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:34:55,005 INFO L93 Difference]: Finished difference Result 150 states and 166 transitions. [2023-11-23 21:34:55,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:34:55,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 18 [2023-11-23 21:34:55,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:34:55,008 INFO L225 Difference]: With dead ends: 150 [2023-11-23 21:34:55,008 INFO L226 Difference]: Without dead ends: 143 [2023-11-23 21:34:55,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 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 21:34:55,010 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 180 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:34:55,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 141 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:34:55,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-23 21:34:55,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 125. [2023-11-23 21:34:55,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 78 states have (on average 1.6794871794871795) internal successors, (131), 111 states have internal predecessors, (131), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 21:34:55,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 155 transitions. [2023-11-23 21:34:55,033 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 155 transitions. Word has length 18 [2023-11-23 21:34:55,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:34:55,034 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 155 transitions. [2023-11-23 21:34:55,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 21:34:55,039 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 155 transitions. [2023-11-23 21:34:55,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 21:34:55,040 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:34:55,040 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] [2023-11-23 21:34:55,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:34:55,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:34:55,241 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2023-11-23 21:34:55,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:34:55,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1488714648, now seen corresponding path program 1 times [2023-11-23 21:34:55,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:34:55,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977312725] [2023-11-23 21:34:55,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:55,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:34:55,267 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:34:55,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1805135586] [2023-11-23 21:34:55,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:55,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:34:55,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:34:55,271 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:34:55,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 21:34:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:34:55,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:34:55,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:34:55,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:34:55,410 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:34:55,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:34:55,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977312725] [2023-11-23 21:34:55,410 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:34:55,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805135586] [2023-11-23 21:34:55,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805135586] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:34:55,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:34:55,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:34:55,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093924939] [2023-11-23 21:34:55,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:34:55,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:34:55,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:34:55,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:34:55,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:34:55,414 INFO L87 Difference]: Start difference. First operand 125 states and 155 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:34:55,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:34:55,489 INFO L93 Difference]: Finished difference Result 125 states and 155 transitions. [2023-11-23 21:34:55,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:34:55,489 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2023-11-23 21:34:55,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:34:55,492 INFO L225 Difference]: With dead ends: 125 [2023-11-23 21:34:55,492 INFO L226 Difference]: Without dead ends: 123 [2023-11-23 21:34:55,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:34:55,494 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 80 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:34:55,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 240 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:34:55,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-23 21:34:55,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2023-11-23 21:34:55,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 78 states have (on average 1.641025641025641) internal successors, (128), 109 states have internal predecessors, (128), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 21:34:55,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 152 transitions. [2023-11-23 21:34:55,523 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 152 transitions. Word has length 26 [2023-11-23 21:34:55,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:34:55,525 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 152 transitions. [2023-11-23 21:34:55,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:34:55,525 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 152 transitions. [2023-11-23 21:34:55,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 21:34:55,527 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:34:55,527 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] [2023-11-23 21:34:55,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-23 21:34:55,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:34:55,749 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2023-11-23 21:34:55,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:34:55,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1094486249, now seen corresponding path program 1 times [2023-11-23 21:34:55,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:34:55,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682688946] [2023-11-23 21:34:55,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:55,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:34:55,761 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:34:55,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [148508384] [2023-11-23 21:34:55,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:55,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:34:55,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:34:55,763 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:34:55,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-23 21:34:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:34:55,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:34:55,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:34:55,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:34:55,871 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:34:55,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:34:55,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682688946] [2023-11-23 21:34:55,871 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:34:55,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148508384] [2023-11-23 21:34:55,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148508384] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:34:55,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:34:55,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:34:55,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913234872] [2023-11-23 21:34:55,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:34:55,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:34:55,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:34:55,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:34:55,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:34:55,874 INFO L87 Difference]: Start difference. First operand 123 states and 152 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:34:55,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:34:55,940 INFO L93 Difference]: Finished difference Result 144 states and 174 transitions. [2023-11-23 21:34:55,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 21:34:55,941 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2023-11-23 21:34:55,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:34:55,942 INFO L225 Difference]: With dead ends: 144 [2023-11-23 21:34:55,942 INFO L226 Difference]: Without dead ends: 143 [2023-11-23 21:34:55,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:34:55,944 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 24 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:34:55,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 321 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:34:55,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-23 21:34:55,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 133. [2023-11-23 21:34:55,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 87 states have (on average 1.5747126436781609) internal successors, (137), 118 states have internal predecessors, (137), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 21:34:55,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 161 transitions. [2023-11-23 21:34:55,957 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 161 transitions. Word has length 27 [2023-11-23 21:34:55,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:34:55,958 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 161 transitions. [2023-11-23 21:34:55,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:34:55,958 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 161 transitions. [2023-11-23 21:34:55,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 21:34:55,960 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:34:55,960 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] [2023-11-23 21:34:55,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-23 21:34:56,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:34:56,181 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2023-11-23 21:34:56,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:34:56,182 INFO L85 PathProgramCache]: Analyzing trace with hash -465699495, now seen corresponding path program 1 times [2023-11-23 21:34:56,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:34:56,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715927721] [2023-11-23 21:34:56,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:56,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:34:56,193 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:34:56,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [104658321] [2023-11-23 21:34:56,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:56,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:34:56,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:34:56,195 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:34:56,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-23 21:34:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:34:56,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:34:56,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:34:56,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:34:56,384 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:34:56,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:34:56,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715927721] [2023-11-23 21:34:56,385 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:34:56,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104658321] [2023-11-23 21:34:56,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104658321] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:34:56,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:34:56,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:34:56,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706458091] [2023-11-23 21:34:56,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:34:56,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:34:56,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:34:56,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:34:56,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:34:56,388 INFO L87 Difference]: Start difference. First operand 133 states and 161 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:34:56,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:34:56,707 INFO L93 Difference]: Finished difference Result 186 states and 209 transitions. [2023-11-23 21:34:56,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:34:56,708 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2023-11-23 21:34:56,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:34:56,710 INFO L225 Difference]: With dead ends: 186 [2023-11-23 21:34:56,710 INFO L226 Difference]: Without dead ends: 183 [2023-11-23 21:34:56,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:34:56,712 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 239 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:34:56,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 133 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 21:34:56,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2023-11-23 21:34:56,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 156. [2023-11-23 21:34:56,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 106 states have (on average 1.5849056603773586) internal successors, (168), 137 states have internal predecessors, (168), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-23 21:34:56,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 200 transitions. [2023-11-23 21:34:56,743 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 200 transitions. Word has length 29 [2023-11-23 21:34:56,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:34:56,744 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 200 transitions. [2023-11-23 21:34:56,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:34:56,744 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 200 transitions. [2023-11-23 21:34:56,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 21:34:56,746 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:34:56,747 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] [2023-11-23 21:34:56,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-23 21:34:56,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:34:56,968 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2023-11-23 21:34:56,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:34:56,968 INFO L85 PathProgramCache]: Analyzing trace with hash -465699477, now seen corresponding path program 1 times [2023-11-23 21:34:56,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:34:56,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374324289] [2023-11-23 21:34:56,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:56,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:34:56,985 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:34:56,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1156796995] [2023-11-23 21:34:56,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:56,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:34:56,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:34:56,987 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:34:57,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-23 21:34:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:34:57,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:34:57,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:34:57,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:34:57,101 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:34:57,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:34:57,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374324289] [2023-11-23 21:34:57,101 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:34:57,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156796995] [2023-11-23 21:34:57,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156796995] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:34:57,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:34:57,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:34:57,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6996312] [2023-11-23 21:34:57,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:34:57,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:34:57,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:34:57,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:34:57,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:34:57,104 INFO L87 Difference]: Start difference. First operand 156 states and 200 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:34:57,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:34:57,154 INFO L93 Difference]: Finished difference Result 201 states and 248 transitions. [2023-11-23 21:34:57,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 21:34:57,154 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2023-11-23 21:34:57,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:34:57,155 INFO L225 Difference]: With dead ends: 201 [2023-11-23 21:34:57,155 INFO L226 Difference]: Without dead ends: 65 [2023-11-23 21:34:57,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:34:57,158 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 33 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:34:57,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 116 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:34:57,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-23 21:34:57,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-23 21:34:57,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 59 states have internal predecessors, (61), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-23 21:34:57,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2023-11-23 21:34:57,165 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 29 [2023-11-23 21:34:57,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:34:57,165 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2023-11-23 21:34:57,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:34:57,166 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2023-11-23 21:34:57,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 21:34:57,167 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:34:57,167 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] [2023-11-23 21:34:57,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-23 21:34:57,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:34:57,382 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2023-11-23 21:34:57,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:34:57,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1551782323, now seen corresponding path program 1 times [2023-11-23 21:34:57,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:34:57,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625114160] [2023-11-23 21:34:57,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:57,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:34:57,392 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:34:57,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [677105073] [2023-11-23 21:34:57,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:57,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:34:57,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:34:57,394 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:34:57,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-23 21:34:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:34:57,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:34:57,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:34:57,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:34:57,562 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:34:57,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:34:57,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625114160] [2023-11-23 21:34:57,562 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:34:57,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677105073] [2023-11-23 21:34:57,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677105073] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:34:57,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:34:57,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:34:57,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255842207] [2023-11-23 21:34:57,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:34:57,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:34:57,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:34:57,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:34:57,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:34:57,566 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:34:57,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:34:57,863 INFO L93 Difference]: Finished difference Result 67 states and 71 transitions. [2023-11-23 21:34:57,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:34:57,864 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2023-11-23 21:34:57,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:34:57,865 INFO L225 Difference]: With dead ends: 67 [2023-11-23 21:34:57,865 INFO L226 Difference]: Without dead ends: 66 [2023-11-23 21:34:57,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:34:57,866 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 73 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:34:57,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 71 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 21:34:57,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-23 21:34:57,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-23 21:34:57,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 60 states have internal predecessors, (62), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-23 21:34:57,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2023-11-23 21:34:57,874 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 30 [2023-11-23 21:34:57,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:34:57,875 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2023-11-23 21:34:57,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:34:57,875 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2023-11-23 21:34:57,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 21:34:57,879 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:34:57,880 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] [2023-11-23 21:34:57,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-23 21:34:58,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-23 21:34:58,094 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2023-11-23 21:34:58,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:34:58,094 INFO L85 PathProgramCache]: Analyzing trace with hash -860611621, now seen corresponding path program 1 times [2023-11-23 21:34:58,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:34:58,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134192095] [2023-11-23 21:34:58,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:58,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:34:58,109 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:34:58,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [355590966] [2023-11-23 21:34:58,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:58,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:34:58,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:34:58,115 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:34:58,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-23 21:34:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:34:58,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:34:58,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:34:58,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:34:58,241 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:34:58,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:34:58,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134192095] [2023-11-23 21:34:58,241 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:34:58,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355590966] [2023-11-23 21:34:58,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355590966] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:34:58,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:34:58,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:34:58,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897440459] [2023-11-23 21:34:58,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:34:58,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:34:58,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:34:58,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:34:58,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:34:58,244 INFO L87 Difference]: Start difference. First operand 66 states and 70 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:34:58,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:34:58,415 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2023-11-23 21:34:58,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:34:58,416 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2023-11-23 21:34:58,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:34:58,417 INFO L225 Difference]: With dead ends: 66 [2023-11-23 21:34:58,417 INFO L226 Difference]: Without dead ends: 65 [2023-11-23 21:34:58,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:34:58,418 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 30 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:34:58,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 56 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:34:58,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-23 21:34:58,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-23 21:34:58,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 46 states have (on average 1.326086956521739) internal successors, (61), 59 states have internal predecessors, (61), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-23 21:34:58,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2023-11-23 21:34:58,426 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 31 [2023-11-23 21:34:58,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:34:58,426 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2023-11-23 21:34:58,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:34:58,426 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2023-11-23 21:34:58,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 21:34:58,427 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:34:58,427 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] [2023-11-23 21:34:58,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-23 21:34:58,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:34:58,628 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2023-11-23 21:34:58,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:34:58,629 INFO L85 PathProgramCache]: Analyzing trace with hash -909156337, now seen corresponding path program 1 times [2023-11-23 21:34:58,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:34:58,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116178099] [2023-11-23 21:34:58,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:58,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:34:58,644 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:34:58,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1269031802] [2023-11-23 21:34:58,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:58,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:34:58,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:34:58,646 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:34:58,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-23 21:34:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:34:58,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:34:58,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:34:58,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:34:58,790 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:34:58,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:34:58,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116178099] [2023-11-23 21:34:58,791 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:34:58,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269031802] [2023-11-23 21:34:58,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269031802] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:34:58,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:34:58,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:34:58,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765987932] [2023-11-23 21:34:58,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:34:58,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:34:58,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:34:58,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:34:58,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:34:58,793 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:34:58,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:34:58,857 INFO L93 Difference]: Finished difference Result 68 states and 72 transitions. [2023-11-23 21:34:58,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:34:58,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2023-11-23 21:34:58,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:34:58,860 INFO L225 Difference]: With dead ends: 68 [2023-11-23 21:34:58,860 INFO L226 Difference]: Without dead ends: 67 [2023-11-23 21:34:58,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:34:58,861 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 10 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:34:58,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 90 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:34:58,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-23 21:34:58,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-11-23 21:34:58,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 48 states have (on average 1.3125) internal successors, (63), 61 states have internal predecessors, (63), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-23 21:34:58,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 71 transitions. [2023-11-23 21:34:58,871 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 71 transitions. Word has length 32 [2023-11-23 21:34:58,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:34:58,872 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 71 transitions. [2023-11-23 21:34:58,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:34:58,872 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2023-11-23 21:34:58,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 21:34:58,873 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:34:58,873 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:34:58,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-23 21:34:59,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-23 21:34:59,090 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2023-11-23 21:34:59,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:34:59,091 INFO L85 PathProgramCache]: Analyzing trace with hash -612623233, now seen corresponding path program 1 times [2023-11-23 21:34:59,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:34:59,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683924439] [2023-11-23 21:34:59,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:59,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:34:59,099 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:34:59,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [143154973] [2023-11-23 21:34:59,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:59,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:34:59,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:34:59,101 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:34:59,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-23 21:34:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:34:59,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 21:34:59,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:34:59,221 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:34:59,222 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:34:59,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:34:59,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683924439] [2023-11-23 21:34:59,222 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:34:59,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143154973] [2023-11-23 21:34:59,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143154973] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:34:59,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:34:59,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 21:34:59,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904273370] [2023-11-23 21:34:59,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:34:59,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 21:34:59,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:34:59,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 21:34:59,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:34:59,225 INFO L87 Difference]: Start difference. First operand 67 states and 71 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:34:59,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:34:59,301 INFO L93 Difference]: Finished difference Result 75 states and 78 transitions. [2023-11-23 21:34:59,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 21:34:59,301 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2023-11-23 21:34:59,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:34:59,302 INFO L225 Difference]: With dead ends: 75 [2023-11-23 21:34:59,303 INFO L226 Difference]: Without dead ends: 74 [2023-11-23 21:34:59,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-11-23 21:34:59,304 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 30 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:34:59,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 193 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:34:59,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-23 21:34:59,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 66. [2023-11-23 21:34:59,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 60 states have internal predecessors, (62), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-23 21:34:59,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2023-11-23 21:34:59,311 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 35 [2023-11-23 21:34:59,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:34:59,312 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2023-11-23 21:34:59,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:34:59,312 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2023-11-23 21:34:59,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 21:34:59,313 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:34:59,313 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:34:59,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-23 21:34:59,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-23 21:34:59,527 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2023-11-23 21:34:59,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:34:59,528 INFO L85 PathProgramCache]: Analyzing trace with hash -320405637, now seen corresponding path program 1 times [2023-11-23 21:34:59,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:34:59,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159185373] [2023-11-23 21:34:59,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:59,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:34:59,537 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:34:59,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [877675464] [2023-11-23 21:34:59,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:34:59,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:34:59,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:34:59,538 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:34:59,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-23 21:34:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:34:59,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 21:34:59,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:34:59,855 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:34:59,856 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:34:59,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:34:59,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159185373] [2023-11-23 21:34:59,856 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:34:59,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877675464] [2023-11-23 21:34:59,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877675464] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:34:59,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:34:59,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 21:34:59,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848590669] [2023-11-23 21:34:59,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:34:59,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 21:34:59,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:34:59,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 21:34:59,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:34:59,860 INFO L87 Difference]: Start difference. First operand 66 states and 70 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:34:59,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:34:59,969 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2023-11-23 21:34:59,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 21:34:59,970 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 37 [2023-11-23 21:34:59,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:34:59,971 INFO L225 Difference]: With dead ends: 66 [2023-11-23 21:34:59,971 INFO L226 Difference]: Without dead ends: 63 [2023-11-23 21:34:59,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:34:59,974 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 69 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:34:59,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 93 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:34:59,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-23 21:34:59,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-23 21:34:59,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 57 states have internal predecessors, (59), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-23 21:34:59,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2023-11-23 21:34:59,981 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 37 [2023-11-23 21:34:59,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:34:59,981 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2023-11-23 21:34:59,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:34:59,982 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2023-11-23 21:34:59,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 21:34:59,984 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:34:59,984 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:35:00,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-23 21:35:00,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-23 21:35:00,209 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2023-11-23 21:35:00,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:35:00,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1342640010, now seen corresponding path program 1 times [2023-11-23 21:35:00,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:35:00,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883003755] [2023-11-23 21:35:00,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:35:00,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:35:00,219 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:35:00,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [794254268] [2023-11-23 21:35:00,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:35:00,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:35:00,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:35:00,223 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:35:00,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-23 21:35:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:00,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 21:35:00,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:35:00,510 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:35:00,510 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:35:00,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:35:00,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883003755] [2023-11-23 21:35:00,765 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:35:00,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794254268] [2023-11-23 21:35:00,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794254268] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:35:00,765 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:35:00,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2023-11-23 21:35:00,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915634094] [2023-11-23 21:35:00,766 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-23 21:35:00,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 21:35:00,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:35:00,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 21:35:00,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-23 21:35:00,767 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:35:00,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:35:00,887 INFO L93 Difference]: Finished difference Result 98 states and 105 transitions. [2023-11-23 21:35:00,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 21:35:00,888 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2023-11-23 21:35:00,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:35:00,889 INFO L225 Difference]: With dead ends: 98 [2023-11-23 21:35:00,889 INFO L226 Difference]: Without dead ends: 96 [2023-11-23 21:35:00,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:35:00,890 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 72 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:35:00,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 88 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:35:00,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-23 21:35:00,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 78. [2023-11-23 21:35:00,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 61 states have (on average 1.2622950819672132) internal successors, (77), 70 states have internal predecessors, (77), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-23 21:35:00,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions. [2023-11-23 21:35:00,899 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 89 transitions. Word has length 38 [2023-11-23 21:35:00,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:35:00,899 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 89 transitions. [2023-11-23 21:35:00,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:35:00,900 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2023-11-23 21:35:00,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 21:35:00,900 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:35:00,901 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:35:00,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-23 21:35:01,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-23 21:35:01,114 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2023-11-23 21:35:01,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:35:01,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1342640904, now seen corresponding path program 1 times [2023-11-23 21:35:01,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:35:01,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474169477] [2023-11-23 21:35:01,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:35:01,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:35:01,124 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:35:01,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1373267575] [2023-11-23 21:35:01,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:35:01,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:35:01,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:35:01,133 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:35:01,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-23 21:35:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:01,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:35:01,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:35:01,215 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:35:01,215 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:35:01,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:35:01,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474169477] [2023-11-23 21:35:01,216 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:35:01,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373267575] [2023-11-23 21:35:01,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373267575] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:35:01,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:35:01,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:35:01,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461081106] [2023-11-23 21:35:01,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:35:01,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:35:01,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:35:01,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:35:01,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:35:01,219 INFO L87 Difference]: Start difference. First operand 78 states and 89 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:35:01,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:35:01,251 INFO L93 Difference]: Finished difference Result 88 states and 97 transitions. [2023-11-23 21:35:01,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:35:01,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2023-11-23 21:35:01,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:35:01,252 INFO L225 Difference]: With dead ends: 88 [2023-11-23 21:35:01,252 INFO L226 Difference]: Without dead ends: 38 [2023-11-23 21:35:01,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:35:01,254 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 8 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:35:01,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 106 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:35:01,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-11-23 21:35:01,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-11-23 21:35:01,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 33 states have (on average 1.0303030303030303) internal successors, (34), 34 states have internal predecessors, (34), 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 21:35:01,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2023-11-23 21:35:01,260 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 38 [2023-11-23 21:35:01,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:35:01,260 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2023-11-23 21:35:01,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:35:01,261 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2023-11-23 21:35:01,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 21:35:01,261 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:35:01,261 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:35:01,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-23 21:35:01,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-23 21:35:01,476 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2023-11-23 21:35:01,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:35:01,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1327832797, now seen corresponding path program 1 times [2023-11-23 21:35:01,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:35:01,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048862688] [2023-11-23 21:35:01,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:35:01,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:35:01,486 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:35:01,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [517535018] [2023-11-23 21:35:01,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:35:01,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:35:01,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:35:01,488 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:35:01,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-23 21:35:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:01,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:35:01,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:35:01,602 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:35:01,603 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:35:01,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:35:01,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048862688] [2023-11-23 21:35:01,603 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:35:01,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517535018] [2023-11-23 21:35:01,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517535018] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:35:01,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:35:01,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:35:01,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555956690] [2023-11-23 21:35:01,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:35:01,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:35:01,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:35:01,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:35:01,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:35:01,606 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:35:01,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:35:01,642 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2023-11-23 21:35:01,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:35:01,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2023-11-23 21:35:01,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:35:01,643 INFO L225 Difference]: With dead ends: 38 [2023-11-23 21:35:01,643 INFO L226 Difference]: Without dead ends: 37 [2023-11-23 21:35:01,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:35:01,644 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 2 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:35:01,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 89 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:35:01,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-11-23 21:35:01,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2023-11-23 21:35:01,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 33 states have (on average 1.0) internal successors, (33), 33 states have internal predecessors, (33), 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 21:35:01,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2023-11-23 21:35:01,650 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 39 [2023-11-23 21:35:01,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:35:01,650 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2023-11-23 21:35:01,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:35:01,651 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2023-11-23 21:35:01,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 21:35:01,651 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:35:01,652 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:35:01,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-23 21:35:01,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-23 21:35:01,870 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2023-11-23 21:35:01,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:35:01,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1786856104, now seen corresponding path program 1 times [2023-11-23 21:35:01,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:35:01,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480186083] [2023-11-23 21:35:01,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:35:01,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:35:01,879 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:35:01,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1915531233] [2023-11-23 21:35:01,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:35:01,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:35:01,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:35:01,881 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:35:01,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-23 21:35:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:35:01,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 21:35:01,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:35:02,125 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:35:02,125 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:35:02,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:35:02,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480186083] [2023-11-23 21:35:02,245 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:35:02,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915531233] [2023-11-23 21:35:02,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915531233] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:35:02,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:35:02,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2023-11-23 21:35:02,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784626859] [2023-11-23 21:35:02,246 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-23 21:35:02,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 21:35:02,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:35:02,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 21:35:02,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:35:02,249 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:35:02,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:35:02,370 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2023-11-23 21:35:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 21:35:02,371 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 40 [2023-11-23 21:35:02,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:35:02,371 INFO L225 Difference]: With dead ends: 37 [2023-11-23 21:35:02,371 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:35:02,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2023-11-23 21:35:02,373 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 27 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:35:02,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 73 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:35:02,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:35:02,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:35:02,374 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 21:35:02,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:35:02,375 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2023-11-23 21:35:02,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:35:02,375 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:35:02,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:35:02,375 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:35:02,376 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:35:02,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 34 remaining) [2023-11-23 21:35:02,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 34 remaining) [2023-11-23 21:35:02,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 34 remaining) [2023-11-23 21:35:02,379 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 34 remaining) [2023-11-23 21:35:02,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 34 remaining) [2023-11-23 21:35:02,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 34 remaining) [2023-11-23 21:35:02,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 34 remaining) [2023-11-23 21:35:02,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 34 remaining) [2023-11-23 21:35:02,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 34 remaining) [2023-11-23 21:35:02,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 34 remaining) [2023-11-23 21:35:02,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 34 remaining) [2023-11-23 21:35:02,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 34 remaining) [2023-11-23 21:35:02,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 34 remaining) [2023-11-23 21:35:02,383 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 34 remaining) [2023-11-23 21:35:02,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 34 remaining) [2023-11-23 21:35:02,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 34 remaining) [2023-11-23 21:35:02,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 34 remaining) [2023-11-23 21:35:02,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 34 remaining) [2023-11-23 21:35:02,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 34 remaining) [2023-11-23 21:35:02,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 34 remaining) [2023-11-23 21:35:02,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 34 remaining) [2023-11-23 21:35:02,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 34 remaining) [2023-11-23 21:35:02,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 34 remaining) [2023-11-23 21:35:02,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 34 remaining) [2023-11-23 21:35:02,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 34 remaining) [2023-11-23 21:35:02,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 34 remaining) [2023-11-23 21:35:02,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 34 remaining) [2023-11-23 21:35:02,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 34 remaining) [2023-11-23 21:35:02,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 34 remaining) [2023-11-23 21:35:02,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 34 remaining) [2023-11-23 21:35:02,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 34 remaining) [2023-11-23 21:35:02,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 34 remaining) [2023-11-23 21:35:02,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 34 remaining) [2023-11-23 21:35:02,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 34 remaining) [2023-11-23 21:35:02,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-23 21:35:02,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:35:02,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:35:02,801 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-23 21:35:02,801 INFO L899 garLoopResultBuilder]: For program point L60(line 60) no Hoare annotation was computed. [2023-11-23 21:35:02,802 INFO L899 garLoopResultBuilder]: For program point L60-1(line 60) no Hoare annotation was computed. [2023-11-23 21:35:02,802 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 63) no Hoare annotation was computed. [2023-11-23 21:35:02,802 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2023-11-23 21:35:02,802 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2023-11-23 21:35:02,802 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 63) no Hoare annotation was computed. [2023-11-23 21:35:02,802 INFO L899 garLoopResultBuilder]: For program point L11(lines 11 13) no Hoare annotation was computed. [2023-11-23 21:35:02,803 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-23 21:35:02,803 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-23 21:35:02,803 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-23 21:35:02,803 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 57) no Hoare annotation was computed. [2023-11-23 21:35:02,803 INFO L899 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2023-11-23 21:35:02,803 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-23 21:35:02,804 INFO L899 garLoopResultBuilder]: For program point L37-1(line 37) no Hoare annotation was computed. [2023-11-23 21:35:02,804 INFO L899 garLoopResultBuilder]: For program point L37-2(line 37) no Hoare annotation was computed. [2023-11-23 21:35:02,804 INFO L899 garLoopResultBuilder]: For program point L37-3(lines 37 61) no Hoare annotation was computed. [2023-11-23 21:35:02,804 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-23 21:35:02,804 INFO L895 garLoopResultBuilder]: At program point L37-5(lines 37 61) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_main_~y~0#1|)) (.cse1 (<= |ULTIMATE.start_main_~x~0#1| 2147483647)) (.cse2 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)))) (or (and .cse0 .cse1 (<= 0 |ULTIMATE.start_main_~r~0#1|) .cse2 (= |ULTIMATE.start_main_~q~0#1| 1) (<= 1 |ULTIMATE.start_main_~a~0#1|) (<= (+ |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~y~0#1|) 2147483647) (= ~counter~0 2)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~r~0#1| 2147483647) .cse2 (= |ULTIMATE.start_main_~q~0#1| 0) (<= |ULTIMATE.start_main_~b~0#1| 2147483647) (= ~counter~0 0) (= |ULTIMATE.start_main_~a~0#1| 0) (<= 0 (+ |ULTIMATE.start_main_~b~0#1| 2147483648)) (<= |ULTIMATE.start_main_~y~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~r~0#1| 2147483648))))) [2023-11-23 21:35:02,805 INFO L899 garLoopResultBuilder]: For program point L37-6(lines 37 61) no Hoare annotation was computed. [2023-11-23 21:35:02,805 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-23 21:35:02,805 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-23 21:35:02,805 INFO L899 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2023-11-23 21:35:02,805 INFO L899 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2023-11-23 21:35:02,805 INFO L899 garLoopResultBuilder]: For program point L54-3(line 54) no Hoare annotation was computed. [2023-11-23 21:35:02,806 INFO L895 garLoopResultBuilder]: At program point L54-4(line 54) the Hoare annotation is: false [2023-11-23 21:35:02,806 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 57) no Hoare annotation was computed. [2023-11-23 21:35:02,806 INFO L899 garLoopResultBuilder]: For program point L54-5(line 54) no Hoare annotation was computed. [2023-11-23 21:35:02,806 INFO L899 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2023-11-23 21:35:02,807 INFO L899 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2023-11-23 21:35:02,807 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-23 21:35:02,808 INFO L899 garLoopResultBuilder]: For program point L46-3(lines 46 58) no Hoare annotation was computed. [2023-11-23 21:35:02,808 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:35:02,808 INFO L895 garLoopResultBuilder]: At program point L46-5(lines 46 58) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~r~0#1| 2147483647) (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~a~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (= |ULTIMATE.start_main_~q~0#1| 0) (= ~counter~0 1) (<= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~r~0#1|)) [2023-11-23 21:35:02,808 INFO L899 garLoopResultBuilder]: For program point L46-6(lines 46 58) no Hoare annotation was computed. [2023-11-23 21:35:02,808 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-11-23 21:35:02,808 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2023-11-23 21:35:02,809 INFO L895 garLoopResultBuilder]: At program point L38-2(line 38) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~a~0#1| 1) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~r~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (= |ULTIMATE.start_main_~q~0#1| 0) (<= |ULTIMATE.start_main_~b~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~b~0#1| 2147483648)) (= ~counter~0 1) (<= |ULTIMATE.start_main_~y~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~r~0#1| 2147483648))) [2023-11-23 21:35:02,809 INFO L899 garLoopResultBuilder]: For program point L38-3(line 38) no Hoare annotation was computed. [2023-11-23 21:35:02,809 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2023-11-23 21:35:02,809 INFO L899 garLoopResultBuilder]: For program point L63-1(line 63) no Hoare annotation was computed. [2023-11-23 21:35:02,809 INFO L899 garLoopResultBuilder]: For program point L63-2(line 63) no Hoare annotation was computed. [2023-11-23 21:35:02,809 INFO L902 garLoopResultBuilder]: At program point L63-3(line 63) the Hoare annotation is: true [2023-11-23 21:35:02,810 INFO L899 garLoopResultBuilder]: For program point L63-4(line 63) no Hoare annotation was computed. [2023-11-23 21:35:02,810 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2023-11-23 21:35:02,810 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 59) no Hoare annotation was computed. [2023-11-23 21:35:02,810 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-11-23 21:35:02,810 INFO L899 garLoopResultBuilder]: For program point L47-1(line 47) no Hoare annotation was computed. [2023-11-23 21:35:02,810 INFO L895 garLoopResultBuilder]: At program point L47-2(line 47) the Hoare annotation is: false [2023-11-23 21:35:02,811 INFO L899 garLoopResultBuilder]: For program point L47-3(line 47) no Hoare annotation was computed. [2023-11-23 21:35:02,811 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) no Hoare annotation was computed. [2023-11-23 21:35:02,811 INFO L899 garLoopResultBuilder]: For program point L39(line 39) no Hoare annotation was computed. [2023-11-23 21:35:02,811 INFO L899 garLoopResultBuilder]: For program point L39-1(line 39) no Hoare annotation was computed. [2023-11-23 21:35:02,811 INFO L899 garLoopResultBuilder]: For program point L39-2(line 39) no Hoare annotation was computed. [2023-11-23 21:35:02,811 INFO L895 garLoopResultBuilder]: At program point L39-3(line 39) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~a~0#1| 1) (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~r~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (= |ULTIMATE.start_main_~q~0#1| 0) (<= |ULTIMATE.start_main_~b~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~b~0#1| 2147483648)) (= ~counter~0 1) (<= |ULTIMATE.start_main_~y~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~r~0#1| 2147483648))) [2023-11-23 21:35:02,812 INFO L899 garLoopResultBuilder]: For program point L39-4(lines 37 61) no Hoare annotation was computed. [2023-11-23 21:35:02,812 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2023-11-23 21:35:02,812 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-11-23 21:35:02,812 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 59) no Hoare annotation was computed. [2023-11-23 21:35:02,812 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2023-11-23 21:35:02,812 INFO L899 garLoopResultBuilder]: For program point L48-1(line 48) no Hoare annotation was computed. [2023-11-23 21:35:02,813 INFO L899 garLoopResultBuilder]: For program point L48-2(line 48) no Hoare annotation was computed. [2023-11-23 21:35:02,813 INFO L895 garLoopResultBuilder]: At program point L48-3(line 48) the Hoare annotation is: false [2023-11-23 21:35:02,813 INFO L895 garLoopResultBuilder]: At program point L48-4(line 48) the Hoare annotation is: false [2023-11-23 21:35:02,813 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) no Hoare annotation was computed. [2023-11-23 21:35:02,813 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-23 21:35:02,813 INFO L899 garLoopResultBuilder]: For program point L57(line 57) no Hoare annotation was computed. [2023-11-23 21:35:02,814 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2023-11-23 21:35:02,814 INFO L899 garLoopResultBuilder]: For program point L57-1(line 57) no Hoare annotation was computed. [2023-11-23 21:35:02,814 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2023-11-23 21:35:02,814 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2023-11-23 21:35:02,814 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2023-11-23 21:35:02,814 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 63) no Hoare annotation was computed. [2023-11-23 21:35:02,815 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:35:02,815 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-23 21:35:02,815 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2023-11-23 21:35:02,815 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2023-11-23 21:35:02,815 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2023-11-23 21:35:02,815 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2023-11-23 21:35:02,816 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-23 21:35:02,816 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2023-11-23 21:35:02,816 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 63) no Hoare annotation was computed. [2023-11-23 21:35:02,816 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2023-11-23 21:35:02,816 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 51 52) no Hoare annotation was computed. [2023-11-23 21:35:02,816 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2023-11-23 21:35:02,817 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-23 21:35:02,817 INFO L899 garLoopResultBuilder]: For program point L15(lines 15 18) no Hoare annotation was computed. [2023-11-23 21:35:02,817 INFO L899 garLoopResultBuilder]: For program point L15-2(lines 14 20) no Hoare annotation was computed. [2023-11-23 21:35:02,817 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 14 20) no Hoare annotation was computed. [2023-11-23 21:35:02,817 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: true [2023-11-23 21:35:02,821 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:35:02,824 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:35:02,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:35:02 BoogieIcfgContainer [2023-11-23 21:35:02,845 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:35:02,845 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:35:02,846 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:35:02,846 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:35:02,846 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:34:52" (3/4) ... [2023-11-23 21:35:02,849 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:35:02,853 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 21:35:02,864 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-23 21:35:02,864 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-23 21:35:02,865 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 21:35:02,865 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:35:02,996 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/witness.graphml [2023-11-23 21:35:02,997 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/bin/uautomizer-verify-zZY32mL2XJ/witness.yml [2023-11-23 21:35:02,997 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:35:02,998 INFO L158 Benchmark]: Toolchain (without parser) took 11650.66ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 86.8MB in the beginning and 123.2MB in the end (delta: -36.4MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2023-11-23 21:35:02,999 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 127.9MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:35:02,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.20ms. Allocated memory is still 127.9MB. Free memory was 86.8MB in the beginning and 75.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:35:02,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.10ms. Allocated memory is still 127.9MB. Free memory was 75.9MB in the beginning and 73.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:35:03,001 INFO L158 Benchmark]: Boogie Preprocessor took 61.20ms. Allocated memory is still 127.9MB. Free memory was 73.9MB in the beginning and 72.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:35:03,001 INFO L158 Benchmark]: RCFGBuilder took 474.46ms. Allocated memory is still 127.9MB. Free memory was 72.2MB in the beginning and 56.2MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:35:03,002 INFO L158 Benchmark]: TraceAbstraction took 10587.45ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 55.4MB in the beginning and 128.4MB in the end (delta: -73.0MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2023-11-23 21:35:03,002 INFO L158 Benchmark]: Witness Printer took 151.91ms. Allocated memory is still 174.1MB. Free memory was 128.4MB in the beginning and 123.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:35:03,009 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 127.9MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.20ms. Allocated memory is still 127.9MB. Free memory was 86.8MB in the beginning and 75.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.10ms. Allocated memory is still 127.9MB. Free memory was 75.9MB in the beginning and 73.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.20ms. Allocated memory is still 127.9MB. Free memory was 73.9MB in the beginning and 72.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 474.46ms. Allocated memory is still 127.9MB. Free memory was 72.2MB in the beginning and 56.2MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 10587.45ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 55.4MB in the beginning and 128.4MB in the end (delta: -73.0MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. * Witness Printer took 151.91ms. Allocated memory is still 174.1MB. Free memory was 128.4MB in the beginning and 123.2MB 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: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: 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, 90 locations, 34 error locations. Started 1 CEGAR loops. OverallTime: 10.5s, OverallIterations: 19, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1182 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1145 mSDsluCounter, 2612 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1584 mSDsCounter, 89 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1062 IncrementalHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 89 mSolverCounterUnsat, 1028 mSDtfsCounter, 1062 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 537 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred in iteration=9, InterpolantAutomatonStates: 96, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 19 MinimizatonAttempts, 152 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 37 PreInvPairs, 43 NumberOfFragments, 186 HoareAnnotationTreeSize, 37 FomulaSimplifications, 134 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 33 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 499 NumberOfCodeBlocks, 499 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 480 ConstructedInterpolants, 0 QuantifiedInterpolants, 2287 SizeOfPredicates, 26 NumberOfNonLiveVariables, 1416 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 19 InterpolantComputations, 17 PerfectInterpolantSequences, 69/77 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 34 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (((((((((1 <= y) && (x <= 2147483647)) && (r <= 2147483647)) && (b == y)) && (a == 1)) && (0 <= (x + 2147483648))) && (q == 0)) && (counter == 1)) && (y <= r)) - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: (((((((((1 <= y) && (x <= 2147483647)) && (0 <= r)) && (0 <= (x + 2147483648))) && (q == 1)) && (1 <= a)) && ((r + y) <= 2147483647)) && (counter == 2)) || (((((((((((1 <= y) && (x <= 2147483647)) && (r <= 2147483647)) && (0 <= (x + 2147483648))) && (q == 0)) && (b <= 2147483647)) && (counter == 0)) && (a == 0)) && (0 <= (b + 2147483648))) && (y <= 2147483647)) && (0 <= (r + 2147483648)))) RESULT: Ultimate proved your program to be correct! [2023-11-23 21:35:03,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79274b5-8ae7-4ea1-9b7a-d26824de1ae8/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