./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c7383f54d0aefdd248f516d45c67549426beac87be78bf6e7bb8108aedb7974b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:49:14,991 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:49:15,073 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-24 23:49:15,079 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:49:15,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:49:15,122 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:49:15,122 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:49:15,123 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:49:15,124 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:49:15,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:49:15,130 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:49:15,130 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:49:15,131 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:49:15,132 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:49:15,133 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:49:15,133 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:49:15,134 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:49:15,134 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:49:15,135 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:49:15,135 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:49:15,136 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:49:15,136 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:49:15,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:49:15,138 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:49:15,138 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:49:15,139 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:49:15,139 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:49:15,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:49:15,140 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:49:15,140 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:49:15,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:49:15,142 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:49:15,142 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:49:15,143 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:49:15,143 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:49:15,143 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:49:15,144 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:49:15,144 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:49:15,145 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:49:15,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:49:15,145 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:49:15,146 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:49:15,146 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:49:15,146 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:49:15,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:49:15,147 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:49:15,148 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:49:15,148 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:49:15,148 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:49:15,148 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7383f54d0aefdd248f516d45c67549426beac87be78bf6e7bb8108aedb7974b [2023-11-24 23:49:15,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:49:15,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:49:15,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:49:15,495 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:49:15,496 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:49:15,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c [2023-11-24 23:49:18,497 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:49:18,767 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:49:18,768 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound1.c [2023-11-24 23:49:18,777 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/data/687ac10be/78840fc22e1748cab821cd41e40fc5ea/FLAGb57b92be4 [2023-11-24 23:49:18,794 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/data/687ac10be/78840fc22e1748cab821cd41e40fc5ea [2023-11-24 23:49:18,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:49:18,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:49:18,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:49:18,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:49:18,812 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:49:18,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:49:18" (1/1) ... [2023-11-24 23:49:18,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366cbc08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:18, skipping insertion in model container [2023-11-24 23:49:18,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:49:18" (1/1) ... [2023-11-24 23:49:18,843 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:49:19,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:49:19,063 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:49:19,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:49:19,105 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:49:19,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:19 WrapperNode [2023-11-24 23:49:19,106 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:49:19,107 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:49:19,107 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:49:19,108 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:49:19,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:19" (1/1) ... [2023-11-24 23:49:19,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:19" (1/1) ... [2023-11-24 23:49:19,155 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-24 23:49:19,156 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:49:19,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:49:19,157 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:49:19,157 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:49:19,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:19" (1/1) ... [2023-11-24 23:49:19,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:19" (1/1) ... [2023-11-24 23:49:19,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:19" (1/1) ... [2023-11-24 23:49:19,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:19" (1/1) ... [2023-11-24 23:49:19,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:19" (1/1) ... [2023-11-24 23:49:19,181 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:19" (1/1) ... [2023-11-24 23:49:19,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:19" (1/1) ... [2023-11-24 23:49:19,185 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:19" (1/1) ... [2023-11-24 23:49:19,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:49:19,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:49:19,189 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:49:19,189 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:49:19,190 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:19" (1/1) ... [2023-11-24 23:49:19,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:49:19,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:49:19,229 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:49:19,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:49:19,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:49:19,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:49:19,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:49:19,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:49:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:49:19,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:49:19,340 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:49:19,342 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:49:19,701 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:49:19,749 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:49:19,754 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:49:19,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:49:19 BoogieIcfgContainer [2023-11-24 23:49:19,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:49:19,761 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:49:19,761 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:49:19,766 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:49:19,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:49:18" (1/3) ... [2023-11-24 23:49:19,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1389bc3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:49:19, skipping insertion in model container [2023-11-24 23:49:19,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:19" (2/3) ... [2023-11-24 23:49:19,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1389bc3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:49:19, skipping insertion in model container [2023-11-24 23:49:19,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:49:19" (3/3) ... [2023-11-24 23:49:19,770 INFO L112 eAbstractionObserver]: Analyzing ICFG hard2_unwindbound1.c [2023-11-24 23:49:19,801 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:49:19,801 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2023-11-24 23:49:19,872 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:49:19,881 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=FINITE_AUTOMATA, 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;@abbd7b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:49:19,881 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2023-11-24 23:49:19,886 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 38 states have (on average 1.9210526315789473) internal successors, (73), 66 states have internal predecessors, (73), 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) [2023-11-24 23:49:19,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:49:19,894 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:49:19,895 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-24 23:49:19,896 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-24 23:49:19,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:49:19,903 INFO L85 PathProgramCache]: Analyzing trace with hash 163595, now seen corresponding path program 1 times [2023-11-24 23:49:19,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:49:19,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825696722] [2023-11-24 23:49:19,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:19,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:49:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:49:20,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:49:20,255 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:49:20,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825696722] [2023-11-24 23:49:20,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825696722] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:49:20,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:49:20,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:49:20,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90569354] [2023-11-24 23:49:20,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:49:20,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:49:20,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:49:20,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:49:20,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:49:20,331 INFO L87 Difference]: Start difference. First operand has 75 states, 38 states have (on average 1.9210526315789473) internal successors, (73), 66 states have internal predecessors, (73), 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 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:49:20,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:49:20,501 INFO L93 Difference]: Finished difference Result 133 states and 153 transitions. [2023-11-24 23:49:20,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:49:20,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2023-11-24 23:49:20,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:49:20,519 INFO L225 Difference]: With dead ends: 133 [2023-11-24 23:49:20,519 INFO L226 Difference]: Without dead ends: 75 [2023-11-24 23:49:20,524 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 [2023-11-24 23:49:20,530 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 4 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:49:20,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 230 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:49:20,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-24 23:49:20,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-24 23:49:20,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 41 states have (on average 1.7804878048780488) internal successors, (73), 68 states have internal predecessors, (73), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-24 23:49:20,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 83 transitions. [2023-11-24 23:49:20,602 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 83 transitions. Word has length 3 [2023-11-24 23:49:20,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:49:20,602 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 83 transitions. [2023-11-24 23:49:20,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:49:20,603 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2023-11-24 23:49:20,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:49:20,604 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:49:20,604 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:49:20,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:49:20,605 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-24 23:49:20,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:49:20,606 INFO L85 PathProgramCache]: Analyzing trace with hash 154661854, now seen corresponding path program 1 times [2023-11-24 23:49:20,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:49:20,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936798318] [2023-11-24 23:49:20,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:20,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:49:20,631 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:49:20,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [824409460] [2023-11-24 23:49:20,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:20,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:49:20,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:49:20,637 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:49:20,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:49:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:49:20,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:49:20,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:49:20,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:49:20,804 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:49:20,805 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:49:20,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936798318] [2023-11-24 23:49:20,805 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 23:49:20,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824409460] [2023-11-24 23:49:20,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824409460] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:49:20,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:49:20,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:49:20,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398590649] [2023-11-24 23:49:20,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:49:20,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:49:20,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:49:20,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:49:20,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:49:20,811 INFO L87 Difference]: Start difference. First operand 75 states and 83 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-24 23:49:20,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:49:20,946 INFO L93 Difference]: Finished difference Result 167 states and 186 transitions. [2023-11-24 23:49:20,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:49:20,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 12 [2023-11-24 23:49:20,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:49:20,951 INFO L225 Difference]: With dead ends: 167 [2023-11-24 23:49:20,952 INFO L226 Difference]: Without dead ends: 116 [2023-11-24 23:49:20,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:49:20,956 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 36 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:49:20,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 115 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:49:20,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-11-24 23:49:20,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 98. [2023-11-24 23:49:20,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 59 states have (on average 1.7457627118644068) internal successors, (103), 86 states have internal predecessors, (103), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-24 23:49:20,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 123 transitions. [2023-11-24 23:49:20,983 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 123 transitions. Word has length 12 [2023-11-24 23:49:20,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:49:20,984 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 123 transitions. [2023-11-24 23:49:20,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-24 23:49:20,985 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 123 transitions. [2023-11-24 23:49:20,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:49:20,986 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:49:20,986 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:49:20,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:49:21,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:49:21,193 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-24 23:49:21,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:49:21,194 INFO L85 PathProgramCache]: Analyzing trace with hash 499550230, now seen corresponding path program 1 times [2023-11-24 23:49:21,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:49:21,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197883987] [2023-11-24 23:49:21,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:21,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:49:21,223 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:49:21,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1318152883] [2023-11-24 23:49:21,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:21,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:49:21,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:49:21,226 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:49:21,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-24 23:49:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:49:21,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:49:21,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:49:21,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:49:21,401 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:49:21,401 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:49:21,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197883987] [2023-11-24 23:49:21,401 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 23:49:21,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318152883] [2023-11-24 23:49:21,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318152883] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:49:21,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:49:21,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:49:21,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200002394] [2023-11-24 23:49:21,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:49:21,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:49:21,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:49:21,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:49:21,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:49:21,405 INFO L87 Difference]: Start difference. First operand 98 states and 123 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-11-24 23:49:21,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:49:21,523 INFO L93 Difference]: Finished difference Result 116 states and 130 transitions. [2023-11-24 23:49:21,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:49:21,524 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), 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 13 [2023-11-24 23:49:21,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:49:21,530 INFO L225 Difference]: With dead ends: 116 [2023-11-24 23:49:21,530 INFO L226 Difference]: Without dead ends: 114 [2023-11-24 23:49:21,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:49:21,536 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 33 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:49:21,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 114 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:49:21,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-24 23:49:21,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 98. [2023-11-24 23:49:21,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 59 states have (on average 1.7118644067796611) internal successors, (101), 86 states have internal predecessors, (101), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-24 23:49:21,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 121 transitions. [2023-11-24 23:49:21,561 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 121 transitions. Word has length 13 [2023-11-24 23:49:21,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:49:21,562 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 121 transitions. [2023-11-24 23:49:21,562 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), 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) [2023-11-24 23:49:21,562 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 121 transitions. [2023-11-24 23:49:21,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:49:21,567 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:49:21,568 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:49:21,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:49:21,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-24 23:49:21,774 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-24 23:49:21,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:49:21,775 INFO L85 PathProgramCache]: Analyzing trace with hash -812715847, now seen corresponding path program 1 times [2023-11-24 23:49:21,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:49:21,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406968034] [2023-11-24 23:49:21,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:21,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:49:21,792 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:49:21,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1293693758] [2023-11-24 23:49:21,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:21,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:49:21,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:49:21,803 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:49:21,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-24 23:49:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:49:21,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:49:21,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:49:21,945 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:49:21,945 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:49:21,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:49:21,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406968034] [2023-11-24 23:49:21,946 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 23:49:21,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293693758] [2023-11-24 23:49:21,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293693758] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:49:21,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:49:21,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:49:21,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711416285] [2023-11-24 23:49:21,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:49:21,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:49:21,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:49:21,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:49:21,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:49:21,948 INFO L87 Difference]: Start difference. First operand 98 states and 121 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:49:22,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:49:22,016 INFO L93 Difference]: Finished difference Result 130 states and 157 transitions. [2023-11-24 23:49:22,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:49:22,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 18 [2023-11-24 23:49:22,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:49:22,019 INFO L225 Difference]: With dead ends: 130 [2023-11-24 23:49:22,019 INFO L226 Difference]: Without dead ends: 128 [2023-11-24 23:49:22,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:49:22,020 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 42 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:49:22,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 97 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:49:22,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-11-24 23:49:22,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 111. [2023-11-24 23:49:22,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 71 states have (on average 1.704225352112676) internal successors, (121), 97 states have internal predecessors, (121), 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) [2023-11-24 23:49:22,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 145 transitions. [2023-11-24 23:49:22,048 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 145 transitions. Word has length 18 [2023-11-24 23:49:22,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:49:22,049 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 145 transitions. [2023-11-24 23:49:22,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:49:22,049 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 145 transitions. [2023-11-24 23:49:22,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:49:22,050 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:49:22,050 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:49:22,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:49:22,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:49:22,256 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-24 23:49:22,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:49:22,257 INFO L85 PathProgramCache]: Analyzing trace with hash 575611075, now seen corresponding path program 1 times [2023-11-24 23:49:22,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:49:22,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516624573] [2023-11-24 23:49:22,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:22,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:49:22,274 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:49:22,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1039355729] [2023-11-24 23:49:22,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:22,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:49:22,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:49:22,281 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:49:22,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-24 23:49:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:49:22,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:49:22,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:49:22,404 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:49:22,405 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:49:22,405 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:49:22,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516624573] [2023-11-24 23:49:22,406 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 23:49:22,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039355729] [2023-11-24 23:49:22,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039355729] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:49:22,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:49:22,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 23:49:22,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464526787] [2023-11-24 23:49:22,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:49:22,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:49:22,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:49:22,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:49:22,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:49:22,409 INFO L87 Difference]: Start difference. First operand 111 states and 145 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:49:22,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:49:22,478 INFO L93 Difference]: Finished difference Result 122 states and 153 transitions. [2023-11-24 23:49:22,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-24 23:49:22,486 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 19 [2023-11-24 23:49:22,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:49:22,487 INFO L225 Difference]: With dead ends: 122 [2023-11-24 23:49:22,487 INFO L226 Difference]: Without dead ends: 54 [2023-11-24 23:49:22,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-24 23:49:22,489 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 32 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:49:22,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 78 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:49:22,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-24 23:49:22,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 50. [2023-11-24 23:49:22,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 32 states have (on average 1.4375) internal successors, (46), 42 states have internal predecessors, (46), 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) [2023-11-24 23:49:22,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 58 transitions. [2023-11-24 23:49:22,505 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 58 transitions. Word has length 19 [2023-11-24 23:49:22,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:49:22,506 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 58 transitions. [2023-11-24 23:49:22,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:49:22,506 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2023-11-24 23:49:22,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:49:22,507 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:49:22,508 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:49:22,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-24 23:49:22,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:49:22,715 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-24 23:49:22,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:49:22,715 INFO L85 PathProgramCache]: Analyzing trace with hash 575612581, now seen corresponding path program 1 times [2023-11-24 23:49:22,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:49:22,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729516378] [2023-11-24 23:49:22,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:22,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:49:22,728 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:49:22,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [59899466] [2023-11-24 23:49:22,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:22,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:49:22,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:49:22,730 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:49:22,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-24 23:49:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:49:22,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:49:22,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:49:22,821 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:49:22,821 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:49:22,821 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:49:22,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729516378] [2023-11-24 23:49:22,822 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 23:49:22,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59899466] [2023-11-24 23:49:22,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [59899466] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:49:22,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:49:22,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:49:22,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961817131] [2023-11-24 23:49:22,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:49:22,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:49:22,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:49:22,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:49:22,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:49:22,825 INFO L87 Difference]: Start difference. First operand 50 states and 58 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:49:22,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:49:22,861 INFO L93 Difference]: Finished difference Result 64 states and 70 transitions. [2023-11-24 23:49:22,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:49:22,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 19 [2023-11-24 23:49:22,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:49:22,862 INFO L225 Difference]: With dead ends: 64 [2023-11-24 23:49:22,862 INFO L226 Difference]: Without dead ends: 63 [2023-11-24 23:49:22,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:49:22,864 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 13 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:49:22,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 51 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:49:22,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-24 23:49:22,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 50. [2023-11-24 23:49:22,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 32 states have (on average 1.40625) internal successors, (45), 42 states have internal predecessors, (45), 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) [2023-11-24 23:49:22,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2023-11-24 23:49:22,872 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 57 transitions. Word has length 19 [2023-11-24 23:49:22,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:49:22,873 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 57 transitions. [2023-11-24 23:49:22,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:49:22,873 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2023-11-24 23:49:22,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:49:22,874 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:49:22,874 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:49:22,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-24 23:49:23,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-24 23:49:23,080 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-24 23:49:23,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:49:23,080 INFO L85 PathProgramCache]: Analyzing trace with hash 664074218, now seen corresponding path program 1 times [2023-11-24 23:49:23,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:49:23,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523496057] [2023-11-24 23:49:23,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:23,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:49:23,100 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:49:23,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [554329076] [2023-11-24 23:49:23,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:23,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:49:23,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:49:23,102 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:49:23,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-24 23:49:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:49:23,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:49:23,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:49:23,242 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:49:23,242 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:49:23,242 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:49:23,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523496057] [2023-11-24 23:49:23,243 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 23:49:23,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554329076] [2023-11-24 23:49:23,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554329076] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:49:23,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:49:23,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 23:49:23,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873348086] [2023-11-24 23:49:23,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:49:23,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:49:23,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:49:23,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:49:23,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:49:23,248 INFO L87 Difference]: Start difference. First operand 50 states and 57 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:49:23,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:49:23,351 INFO L93 Difference]: Finished difference Result 61 states and 67 transitions. [2023-11-24 23:49:23,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:49:23,352 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2023-11-24 23:49:23,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:49:23,353 INFO L225 Difference]: With dead ends: 61 [2023-11-24 23:49:23,353 INFO L226 Difference]: Without dead ends: 60 [2023-11-24 23:49:23,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-24 23:49:23,358 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 14 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:49:23,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 140 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:49:23,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-24 23:49:23,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 55. [2023-11-24 23:49:23,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 46 states have internal predecessors, (49), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-24 23:49:23,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 61 transitions. [2023-11-24 23:49:23,375 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 61 transitions. Word has length 20 [2023-11-24 23:49:23,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:49:23,378 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 61 transitions. [2023-11-24 23:49:23,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:49:23,378 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 61 transitions. [2023-11-24 23:49:23,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:49:23,380 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:49:23,380 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:49:23,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-24 23:49:23,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:49:23,587 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-24 23:49:23,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:49:23,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1774800998, now seen corresponding path program 1 times [2023-11-24 23:49:23,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:49:23,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851431872] [2023-11-24 23:49:23,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:23,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:49:23,606 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:49:23,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1021938979] [2023-11-24 23:49:23,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:23,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:49:23,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:49:23,610 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:49:23,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-24 23:49:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:49:23,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:49:23,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:49:23,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:49:23,703 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:49:23,703 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:49:23,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851431872] [2023-11-24 23:49:23,703 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 23:49:23,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021938979] [2023-11-24 23:49:23,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021938979] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:49:23,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:49:23,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:49:23,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690229878] [2023-11-24 23:49:23,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:49:23,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:49:23,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:49:23,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:49:23,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:49:23,706 INFO L87 Difference]: Start difference. First operand 55 states and 61 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:49:23,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:49:23,723 INFO L93 Difference]: Finished difference Result 55 states and 61 transitions. [2023-11-24 23:49:23,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:49:23,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2023-11-24 23:49:23,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:49:23,726 INFO L225 Difference]: With dead ends: 55 [2023-11-24 23:49:23,726 INFO L226 Difference]: Without dead ends: 53 [2023-11-24 23:49:23,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:49:23,727 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 18 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:49:23,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 33 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:49:23,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-24 23:49:23,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-11-24 23:49:23,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 44 states have internal predecessors, (47), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-24 23:49:23,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2023-11-24 23:49:23,735 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 22 [2023-11-24 23:49:23,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:49:23,736 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2023-11-24 23:49:23,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:49:23,736 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2023-11-24 23:49:23,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:49:23,737 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:49:23,737 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:49:23,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-24 23:49:23,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:49:23,943 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-24 23:49:23,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:49:23,944 INFO L85 PathProgramCache]: Analyzing trace with hash -481738404, now seen corresponding path program 1 times [2023-11-24 23:49:23,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:49:23,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464173530] [2023-11-24 23:49:23,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:23,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:49:23,956 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:49:23,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2129019172] [2023-11-24 23:49:23,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:23,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:49:23,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:49:23,958 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:49:23,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-24 23:49:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:49:24,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:49:24,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:49:24,186 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:49:24,186 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:49:24,187 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:49:24,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464173530] [2023-11-24 23:49:24,187 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 23:49:24,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129019172] [2023-11-24 23:49:24,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129019172] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:49:24,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:49:24,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:49:24,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840360956] [2023-11-24 23:49:24,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:49:24,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:49:24,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:49:24,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:49:24,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:49:24,193 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:49:24,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:49:24,213 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2023-11-24 23:49:24,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:49:24,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2023-11-24 23:49:24,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:49:24,217 INFO L225 Difference]: With dead ends: 53 [2023-11-24 23:49:24,217 INFO L226 Difference]: Without dead ends: 52 [2023-11-24 23:49:24,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:49:24,220 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 15 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:49:24,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 31 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:49:24,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-11-24 23:49:24,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-24 23:49:24,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 43 states have internal predecessors, (46), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-24 23:49:24,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 58 transitions. [2023-11-24 23:49:24,232 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 58 transitions. Word has length 24 [2023-11-24 23:49:24,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:49:24,233 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 58 transitions. [2023-11-24 23:49:24,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:49:24,233 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 58 transitions. [2023-11-24 23:49:24,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:49:24,234 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:49:24,236 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:49:24,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-24 23:49:24,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-24 23:49:24,443 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-24 23:49:24,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:49:24,443 INFO L85 PathProgramCache]: Analyzing trace with hash -328423168, now seen corresponding path program 1 times [2023-11-24 23:49:24,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:49:24,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85081494] [2023-11-24 23:49:24,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:24,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:49:24,457 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:49:24,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1183936251] [2023-11-24 23:49:24,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:24,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:49:24,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:49:24,462 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:49:24,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-24 23:49:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:49:24,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:49:24,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:49:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:49:24,595 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:49:24,707 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:49:24,707 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:49:24,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85081494] [2023-11-24 23:49:24,707 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 23:49:24,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183936251] [2023-11-24 23:49:24,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183936251] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:49:24,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1434328391] [2023-11-24 23:49:24,736 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2023-11-24 23:49:24,736 INFO L166 IcfgInterpreter]: Building call graph [2023-11-24 23:49:24,744 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-24 23:49:24,751 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-24 23:49:24,752 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-24 23:49:27,059 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 64 for LOIs [2023-11-24 23:49:27,073 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-24 23:49:29,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1434328391] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:49:29,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-24 23:49:29,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4, 5] total 17 [2023-11-24 23:49:29,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911269985] [2023-11-24 23:49:29,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:49:29,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-24 23:49:29,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:49:29,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-24 23:49:29,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2023-11-24 23:49:29,328 INFO L87 Difference]: Start difference. First operand 52 states and 58 transitions. Second operand has 10 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:49:29,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:49:29,714 INFO L93 Difference]: Finished difference Result 56 states and 62 transitions. [2023-11-24 23:49:29,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-24 23:49:29,715 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2023-11-24 23:49:29,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:49:29,716 INFO L225 Difference]: With dead ends: 56 [2023-11-24 23:49:29,716 INFO L226 Difference]: Without dead ends: 50 [2023-11-24 23:49:29,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 47 SyntacticMatches, 7 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2023-11-24 23:49:29,717 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 4 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-24 23:49:29,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 49 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-24 23:49:29,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-24 23:49:29,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 42. [2023-11-24 23:49:29,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 32 states have (on average 1.125) internal successors, (36), 33 states have internal predecessors, (36), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-24 23:49:29,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2023-11-24 23:49:29,735 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 24 [2023-11-24 23:49:29,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:49:29,736 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2023-11-24 23:49:29,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:49:29,737 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2023-11-24 23:49:29,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:49:29,742 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:49:29,742 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:49:29,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-24 23:49:29,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-24 23:49:29,949 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-24 23:49:29,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:49:29,950 INFO L85 PathProgramCache]: Analyzing trace with hash -2048988502, now seen corresponding path program 1 times [2023-11-24 23:49:29,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:49:29,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374033506] [2023-11-24 23:49:29,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:29,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:49:29,963 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:49:29,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1092068356] [2023-11-24 23:49:29,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:29,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:49:29,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:49:29,965 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:49:29,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-24 23:49:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:49:30,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:49:30,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:49:30,122 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:49:30,123 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:49:30,123 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:49:30,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374033506] [2023-11-24 23:49:30,123 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 23:49:30,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092068356] [2023-11-24 23:49:30,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092068356] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:49:30,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:49:30,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 23:49:30,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277693964] [2023-11-24 23:49:30,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:49:30,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:49:30,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:49:30,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:49:30,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:49:30,126 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:49:30,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:49:30,182 INFO L93 Difference]: Finished difference Result 50 states and 55 transitions. [2023-11-24 23:49:30,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:49:30,182 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2023-11-24 23:49:30,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:49:30,183 INFO L225 Difference]: With dead ends: 50 [2023-11-24 23:49:30,183 INFO L226 Difference]: Without dead ends: 41 [2023-11-24 23:49:30,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:49:30,185 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 2 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:49:30,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 62 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:49:30,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-24 23:49:30,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2023-11-24 23:49:30,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 29 states have (on average 1.103448275862069) internal successors, (32), 30 states have internal predecessors, (32), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-24 23:49:30,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2023-11-24 23:49:30,198 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 25 [2023-11-24 23:49:30,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:49:30,199 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2023-11-24 23:49:30,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:49:30,199 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2023-11-24 23:49:30,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:49:30,200 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:49:30,201 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:49:30,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-24 23:49:30,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:49:30,407 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-24 23:49:30,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:49:30,408 INFO L85 PathProgramCache]: Analyzing trace with hash 604325055, now seen corresponding path program 1 times [2023-11-24 23:49:30,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:49:30,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59897932] [2023-11-24 23:49:30,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:30,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:49:30,419 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:49:30,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [221384929] [2023-11-24 23:49:30,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:30,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:49:30,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:49:30,421 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:49:30,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-24 23:49:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:49:30,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:49:30,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:49:30,572 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:49:30,572 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:49:30,690 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:49:30,691 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:49:30,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59897932] [2023-11-24 23:49:30,691 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 23:49:30,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221384929] [2023-11-24 23:49:30,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221384929] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:49:30,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1721545928] [2023-11-24 23:49:30,694 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2023-11-24 23:49:30,694 INFO L166 IcfgInterpreter]: Building call graph [2023-11-24 23:49:30,694 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-24 23:49:30,694 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-24 23:49:30,695 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-24 23:49:32,063 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 64 for LOIs [2023-11-24 23:49:32,070 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-24 23:49:34,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1721545928] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:49:34,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-24 23:49:34,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [6, 7] total 23 [2023-11-24 23:49:34,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818123013] [2023-11-24 23:49:34,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:49:34,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-24 23:49:34,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:49:34,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-24 23:49:34,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2023-11-24 23:49:34,547 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:49:34,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:49:34,991 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2023-11-24 23:49:34,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-24 23:49:34,992 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2023-11-24 23:49:34,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:49:34,993 INFO L225 Difference]: With dead ends: 43 [2023-11-24 23:49:34,993 INFO L226 Difference]: Without dead ends: 42 [2023-11-24 23:49:34,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 53 SyntacticMatches, 7 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2023-11-24 23:49:34,994 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 4 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-24 23:49:34,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 34 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-24 23:49:34,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-24 23:49:35,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-11-24 23:49:35,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 32 states have (on average 1.09375) internal successors, (35), 33 states have internal predecessors, (35), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-24 23:49:35,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2023-11-24 23:49:35,010 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 28 [2023-11-24 23:49:35,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:49:35,010 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2023-11-24 23:49:35,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:49:35,011 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2023-11-24 23:49:35,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:49:35,012 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:49:35,012 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:49:35,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-24 23:49:35,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:49:35,219 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-24 23:49:35,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:49:35,219 INFO L85 PathProgramCache]: Analyzing trace with hash -348759307, now seen corresponding path program 1 times [2023-11-24 23:49:35,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:49:35,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291611326] [2023-11-24 23:49:35,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:35,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:49:35,233 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:49:35,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1413759810] [2023-11-24 23:49:35,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:35,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:49:35,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:49:35,235 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:49:35,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-24 23:49:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:49:35,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:49:35,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:49:35,410 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 23:49:35,411 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:49:35,411 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:49:35,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291611326] [2023-11-24 23:49:35,411 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 23:49:35,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413759810] [2023-11-24 23:49:35,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413759810] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:49:35,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:49:35,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:49:35,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037845564] [2023-11-24 23:49:35,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:49:35,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:49:35,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:49:35,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:49:35,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:49:35,418 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:49:35,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:49:35,444 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2023-11-24 23:49:35,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:49:35,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2023-11-24 23:49:35,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:49:35,450 INFO L225 Difference]: With dead ends: 42 [2023-11-24 23:49:35,451 INFO L226 Difference]: Without dead ends: 33 [2023-11-24 23:49:35,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:49:35,453 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 2 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:49:35,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 25 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:49:35,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-11-24 23:49:35,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2023-11-24 23:49:35,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 24 states have (on average 1.0416666666666667) internal successors, (25), 24 states have internal predecessors, (25), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-24 23:49:35,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2023-11-24 23:49:35,471 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 33 [2023-11-24 23:49:35,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:49:35,472 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2023-11-24 23:49:35,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:49:35,472 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2023-11-24 23:49:35,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:49:35,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:49:35,473 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:49:35,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-24 23:49:35,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:49:35,686 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-24 23:49:35,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:49:35,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1588263532, now seen corresponding path program 1 times [2023-11-24 23:49:35,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:49:35,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738028322] [2023-11-24 23:49:35,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:35,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:49:35,698 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:49:35,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1330737925] [2023-11-24 23:49:35,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:35,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:49:35,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:49:35,700 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:49:35,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-24 23:49:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:49:35,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:49:35,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:49:35,828 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:49:35,828 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:49:35,881 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-24 23:49:35,881 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:49:35,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738028322] [2023-11-24 23:49:35,881 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-24 23:49:35,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330737925] [2023-11-24 23:49:35,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330737925] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:49:35,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1670052892] [2023-11-24 23:49:35,884 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2023-11-24 23:49:35,884 INFO L166 IcfgInterpreter]: Building call graph [2023-11-24 23:49:35,885 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-24 23:49:35,885 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-24 23:49:35,885 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-24 23:49:37,082 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 64 for LOIs [2023-11-24 23:49:37,089 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-24 23:49:39,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1670052892] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:49:39,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-24 23:49:39,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5, 6] total 16 [2023-11-24 23:49:39,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997705253] [2023-11-24 23:49:39,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:49:39,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-24 23:49:39,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:49:39,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-24 23:49:39,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2023-11-24 23:49:39,574 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:49:39,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:49:39,916 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2023-11-24 23:49:39,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-24 23:49:39,916 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2023-11-24 23:49:39,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:49:39,917 INFO L225 Difference]: With dead ends: 33 [2023-11-24 23:49:39,917 INFO L226 Difference]: Without dead ends: 0 [2023-11-24 23:49:39,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 89 SyntacticMatches, 15 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2023-11-24 23:49:39,919 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:49:39,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-24 23:49:39,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-24 23:49:39,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-24 23:49:39,928 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) [2023-11-24 23:49:39,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-24 23:49:39,928 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2023-11-24 23:49:39,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:49:39,929 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-24 23:49:39,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-24 23:49:39,929 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-24 23:49:39,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:49:39,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 28 remaining) [2023-11-24 23:49:39,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 28 remaining) [2023-11-24 23:49:39,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 28 remaining) [2023-11-24 23:49:39,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 28 remaining) [2023-11-24 23:49:39,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 28 remaining) [2023-11-24 23:49:39,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 28 remaining) [2023-11-24 23:49:39,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 28 remaining) [2023-11-24 23:49:39,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 28 remaining) [2023-11-24 23:49:39,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 28 remaining) [2023-11-24 23:49:39,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 28 remaining) [2023-11-24 23:49:39,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 28 remaining) [2023-11-24 23:49:39,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 28 remaining) [2023-11-24 23:49:39,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 28 remaining) [2023-11-24 23:49:39,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 28 remaining) [2023-11-24 23:49:39,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 28 remaining) [2023-11-24 23:49:39,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 28 remaining) [2023-11-24 23:49:39,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 28 remaining) [2023-11-24 23:49:39,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 28 remaining) [2023-11-24 23:49:39,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 28 remaining) [2023-11-24 23:49:39,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 28 remaining) [2023-11-24 23:49:39,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 28 remaining) [2023-11-24 23:49:39,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 28 remaining) [2023-11-24 23:49:39,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 28 remaining) [2023-11-24 23:49:39,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 28 remaining) [2023-11-24 23:49:39,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 28 remaining) [2023-11-24 23:49:39,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 28 remaining) [2023-11-24 23:49:39,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 28 remaining) [2023-11-24 23:49:39,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 28 remaining) [2023-11-24 23:49:39,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-24 23:49:40,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-24 23:49:40,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-24 23:49:41,906 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-24 23:49:41,906 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 55) no Hoare annotation was computed. [2023-11-24 23:49:41,906 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2023-11-24 23:49:41,906 INFO L895 garLoopResultBuilder]: At program point L52-2(lines 44 56) the Hoare annotation is: (let ((.cse22 (select |#memory_int| 1)) (.cse21 (select |#memory_int| 2))) (let ((.cse0 (= (select .cse21 7) 0)) (.cse1 (= (select |#length| 3) 12)) (.cse2 (<= 1 |#StackHeapBarrier|)) (.cse3 (= 114 (select .cse21 2))) (.cse4 (= (select .cse21 6) 99)) (.cse5 (= 97 (select .cse21 1))) (.cse6 (= 2 (select |#length| 1))) (.cse7 (= (select |#valid| 3) 1)) (.cse8 (= (select .cse21 4) 50)) (.cse9 (= 100 (select .cse21 3))) (.cse10 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse11 (= (select |#valid| 1) 1)) (.cse12 (= |ULTIMATE.start_main_~A~0#1| |ULTIMATE.start_main_~r~0#1|)) (.cse13 (= (select |#valid| 0) 0)) (.cse14 (= (select .cse21 5) 46)) (.cse15 (= (select |#valid| 2) 1)) (.cse16 (= 8 (select |#length| 2))) (.cse17 (= (select .cse22 0) 48)) (.cse18 (= |ULTIMATE.start_main_~B~0#1| 1)) (.cse19 (= (select .cse22 1) 0)) (.cse20 (= (select .cse21 0) 104))) (or (and .cse0 (= |ULTIMATE.start_main_~d~0#1| 1) .cse1 .cse2 (= |ULTIMATE.start_main_~p~0#1| 1) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= |ULTIMATE.start_main_~r~0#1| 0) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 (= ~counter~0 1) .cse18 .cse19 .cse20 (<= 0 (+ |ULTIMATE.start_main_~r~0#1| 2147483648))) (and .cse0 .cse1 .cse2 .cse3 (<= |ULTIMATE.start_main_~r~0#1| 2147483647) .cse4 .cse5 .cse6 .cse7 (= 2 |ULTIMATE.start_main_~p~0#1|) .cse8 .cse9 .cse10 .cse11 .cse12 (<= 1 |ULTIMATE.start_main_~r~0#1|) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 (= 2 |ULTIMATE.start_main_~d~0#1|) .cse20 (= ~counter~0 2))))) [2023-11-24 23:49:41,908 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-24 23:49:41,908 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-11-24 23:49:41,908 INFO L899 garLoopResultBuilder]: For program point L44-1(line 44) no Hoare annotation was computed. [2023-11-24 23:49:41,909 INFO L899 garLoopResultBuilder]: For program point L44-2(lines 44 56) no Hoare annotation was computed. [2023-11-24 23:49:41,909 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2023-11-24 23:49:41,909 INFO L899 garLoopResultBuilder]: For program point L44-4(lines 44 56) no Hoare annotation was computed. [2023-11-24 23:49:41,909 INFO L899 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2023-11-24 23:49:41,909 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-24 23:49:41,909 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-24 23:49:41,909 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-11-24 23:49:41,910 INFO L899 garLoopResultBuilder]: For program point L53-1(line 53) no Hoare annotation was computed. [2023-11-24 23:49:41,910 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2023-11-24 23:49:41,910 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2023-11-24 23:49:41,910 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2023-11-24 23:49:41,910 INFO L899 garLoopResultBuilder]: For program point L45-2(line 45) no Hoare annotation was computed. [2023-11-24 23:49:41,911 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-24 23:49:41,911 INFO L899 garLoopResultBuilder]: For program point L45-3(line 45) no Hoare annotation was computed. [2023-11-24 23:49:41,911 INFO L895 garLoopResultBuilder]: At program point L45-4(line 45) the Hoare annotation is: false [2023-11-24 23:49:41,911 INFO L899 garLoopResultBuilder]: For program point L45-5(line 45) no Hoare annotation was computed. [2023-11-24 23:49:41,911 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2023-11-24 23:49:41,912 INFO L895 garLoopResultBuilder]: At program point L37-1(line 37) the Hoare annotation is: (let ((.cse1 (select |#memory_int| 1)) (.cse0 (select |#memory_int| 2))) (and (= (select .cse0 7) 0) (= |ULTIMATE.start_main_~d~0#1| 1) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~p~0#1| 1) (= 114 (select .cse0 2)) (= (select .cse0 6) 99) (= 97 (select .cse0 1)) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select .cse0 4) 50) (= 100 (select .cse0 3)) (= |ULTIMATE.start_main_~q~0#1| 0) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_~A~0#1| |ULTIMATE.start_main_~r~0#1|) (<= |ULTIMATE.start_main_~A~0#1| 2147483647) (= (select |#valid| 0) 0) (= (select .cse0 5) 46) (= (select |#valid| 2) 1) (= 8 (select |#length| 2)) (= (select .cse1 0) 48) (= ~counter~0 1) (= |ULTIMATE.start_main_~B~0#1| 1) (= (select .cse1 1) 0) (= (select .cse0 0) 104) (<= 0 (+ |ULTIMATE.start_main_~r~0#1| 2147483648)))) [2023-11-24 23:49:41,912 INFO L899 garLoopResultBuilder]: For program point L37-2(lines 34 42) no Hoare annotation was computed. [2023-11-24 23:49:41,912 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-24 23:49:41,912 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-24 23:49:41,913 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-24 23:49:41,913 INFO L899 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2023-11-24 23:49:41,913 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2023-11-24 23:49:41,913 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2023-11-24 23:49:41,913 INFO L895 garLoopResultBuilder]: At program point L46-1(line 46) the Hoare annotation is: false [2023-11-24 23:49:41,914 INFO L899 garLoopResultBuilder]: For program point L46-2(lines 44 56) no Hoare annotation was computed. [2023-11-24 23:49:41,915 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-24 23:49:41,915 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-24 23:49:41,915 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-24 23:49:41,915 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2023-11-24 23:49:41,915 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-24 23:49:41,915 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-24 23:49:41,915 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2023-11-24 23:49:41,916 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-24 23:49:41,916 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2023-11-24 23:49:41,916 INFO L899 garLoopResultBuilder]: For program point L40-1(line 40) no Hoare annotation was computed. [2023-11-24 23:49:41,916 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2023-11-24 23:49:41,916 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-24 23:49:41,916 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-24 23:49:41,917 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-11-24 23:49:41,917 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2023-11-24 23:49:41,917 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-24 23:49:41,917 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2023-11-24 23:49:41,917 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2023-11-24 23:49:41,917 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-11-24 23:49:41,918 INFO L899 garLoopResultBuilder]: For program point L58-2(line 58) no Hoare annotation was computed. [2023-11-24 23:49:41,918 INFO L902 garLoopResultBuilder]: At program point L58-3(line 58) the Hoare annotation is: true [2023-11-24 23:49:41,918 INFO L902 garLoopResultBuilder]: At program point L58-4(line 58) the Hoare annotation is: true [2023-11-24 23:49:41,918 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-24 23:49:41,918 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-11-24 23:49:41,919 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-24 23:49:41,919 INFO L899 garLoopResultBuilder]: For program point L50-1(line 50) no Hoare annotation was computed. [2023-11-24 23:49:41,919 INFO L899 garLoopResultBuilder]: For program point L34-1(line 34) no Hoare annotation was computed. [2023-11-24 23:49:41,919 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2023-11-24 23:49:41,919 INFO L899 garLoopResultBuilder]: For program point L34-2(line 34) no Hoare annotation was computed. [2023-11-24 23:49:41,920 INFO L899 garLoopResultBuilder]: For program point L34-3(lines 34 42) no Hoare annotation was computed. [2023-11-24 23:49:41,920 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-24 23:49:41,920 INFO L895 garLoopResultBuilder]: At program point L34-5(lines 34 42) the Hoare annotation is: (let ((.cse22 (select |#memory_int| 1)) (.cse21 (select |#memory_int| 2))) (let ((.cse0 (= (select .cse21 7) 0)) (.cse1 (= (select |#length| 3) 12)) (.cse2 (<= 1 |#StackHeapBarrier|)) (.cse3 (= 114 (select .cse21 2))) (.cse4 (= (select .cse21 6) 99)) (.cse5 (= 97 (select .cse21 1))) (.cse6 (= 2 (select |#length| 1))) (.cse7 (= (select |#valid| 3) 1)) (.cse8 (= (select .cse21 4) 50)) (.cse9 (= 100 (select .cse21 3))) (.cse10 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse11 (= (select |#valid| 1) 1)) (.cse12 (= |ULTIMATE.start_main_~A~0#1| |ULTIMATE.start_main_~r~0#1|)) (.cse13 (= (select |#valid| 0) 0)) (.cse14 (= (select .cse21 5) 46)) (.cse15 (= (select |#valid| 2) 1)) (.cse16 (= 8 (select |#length| 2))) (.cse17 (= (select .cse22 0) 48)) (.cse18 (= |ULTIMATE.start_main_~B~0#1| 1)) (.cse19 (= (select .cse22 1) 0)) (.cse20 (= (select .cse21 0) 104))) (or (and .cse0 .cse1 .cse2 .cse3 (<= |ULTIMATE.start_main_~r~0#1| 2147483647) .cse4 .cse5 .cse6 .cse7 (= 2 |ULTIMATE.start_main_~p~0#1|) .cse8 .cse9 .cse10 .cse11 .cse12 (<= 1 |ULTIMATE.start_main_~r~0#1|) .cse13 .cse14 .cse15 .cse16 .cse17 (= ~counter~0 1) .cse18 .cse19 (= 2 |ULTIMATE.start_main_~d~0#1|) .cse20) (and .cse0 (= |ULTIMATE.start_main_~d~0#1| 1) .cse1 .cse2 (= |ULTIMATE.start_main_~p~0#1| 1) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (= ~counter~0 0) .cse11 .cse12 (<= |ULTIMATE.start_main_~A~0#1| 2147483647) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 (<= 0 (+ |ULTIMATE.start_main_~r~0#1| 2147483648)))))) [2023-11-24 23:49:41,920 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2023-11-24 23:49:41,920 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2023-11-24 23:49:41,920 INFO L899 garLoopResultBuilder]: For program point L51-1(line 51) no Hoare annotation was computed. [2023-11-24 23:49:41,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-24 23:49:41,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2023-11-24 23:49:41,921 INFO L895 garLoopResultBuilder]: At program point L35(line 35) the Hoare annotation is: (let ((.cse1 (select |#memory_int| 1)) (.cse0 (select |#memory_int| 2))) (and (= (select .cse0 7) 0) (= |ULTIMATE.start_main_~d~0#1| 1) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~p~0#1| 1) (= 114 (select .cse0 2)) (= (select .cse0 6) 99) (= 97 (select .cse0 1)) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select .cse0 4) 50) (= 100 (select .cse0 3)) (= |ULTIMATE.start_main_~q~0#1| 0) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_~A~0#1| |ULTIMATE.start_main_~r~0#1|) (<= |ULTIMATE.start_main_~A~0#1| 2147483647) (= (select |#valid| 0) 0) (= (select .cse0 5) 46) (= (select |#valid| 2) 1) (= 8 (select |#length| 2)) (= (select .cse1 0) 48) (= ~counter~0 1) (= |ULTIMATE.start_main_~B~0#1| 1) (= (select .cse1 1) 0) (= (select .cse0 0) 104) (<= 0 (+ |ULTIMATE.start_main_~r~0#1| 2147483648)))) [2023-11-24 23:49:41,921 INFO L895 garLoopResultBuilder]: At program point L35-1(line 35) the Hoare annotation is: (let ((.cse1 (select |#memory_int| 1)) (.cse0 (select |#memory_int| 2))) (and (= (select .cse0 7) 0) (= |ULTIMATE.start_main_~d~0#1| 1) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~p~0#1| 1) (= 114 (select .cse0 2)) (= (select .cse0 6) 99) (= 97 (select .cse0 1)) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select .cse0 4) 50) (= 100 (select .cse0 3)) (= |ULTIMATE.start_main_~q~0#1| 0) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_~A~0#1| |ULTIMATE.start_main_~r~0#1|) (<= |ULTIMATE.start_main_~A~0#1| 2147483647) (= (select |#valid| 0) 0) (= (select .cse0 5) 46) (= (select |#valid| 2) 1) (= 8 (select |#length| 2)) (= (select .cse1 0) 48) (= ~counter~0 1) (= |ULTIMATE.start_main_~B~0#1| 1) (= (select .cse1 1) 0) (= (select .cse0 0) 104) (<= 0 (+ |ULTIMATE.start_main_~r~0#1| 2147483648)))) [2023-11-24 23:49:41,922 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 14 20) no Hoare annotation was computed. [2023-11-24 23:49:41,922 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: true [2023-11-24 23:49:41,925 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:49:41,927 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:49:41,957 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][7] could not be translated [2023-11-24 23:49:41,960 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-24 23:49:41,960 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][2] could not be translated [2023-11-24 23:49:41,961 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][6] could not be translated [2023-11-24 23:49:41,962 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][1] could not be translated [2023-11-24 23:49:41,962 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-24 23:49:41,962 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-24 23:49:41,963 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][4] could not be translated [2023-11-24 23:49:41,963 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][3] could not be translated [2023-11-24 23:49:41,963 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-24 23:49:41,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-24 23:49:41,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][5] could not be translated [2023-11-24 23:49:41,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-24 23:49:41,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-24 23:49:41,965 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-24 23:49:41,965 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-24 23:49:41,965 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][0] could not be translated [2023-11-24 23:49:41,966 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][7] could not be translated [2023-11-24 23:49:41,966 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-24 23:49:41,966 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][2] could not be translated [2023-11-24 23:49:41,967 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][6] could not be translated [2023-11-24 23:49:41,967 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][1] could not be translated [2023-11-24 23:49:41,967 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-24 23:49:41,968 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-24 23:49:41,968 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][4] could not be translated [2023-11-24 23:49:41,968 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][3] could not be translated [2023-11-24 23:49:41,969 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-24 23:49:41,970 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-24 23:49:41,970 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][5] could not be translated [2023-11-24 23:49:41,970 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-24 23:49:41,970 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-24 23:49:41,971 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-24 23:49:41,971 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-24 23:49:41,971 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][0] could not be translated [2023-11-24 23:49:41,976 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][7] could not be translated [2023-11-24 23:49:41,976 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-24 23:49:41,977 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][2] could not be translated [2023-11-24 23:49:41,977 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][6] could not be translated [2023-11-24 23:49:41,987 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][1] could not be translated [2023-11-24 23:49:41,988 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-24 23:49:41,988 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-24 23:49:41,988 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][4] could not be translated [2023-11-24 23:49:41,988 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][3] could not be translated [2023-11-24 23:49:41,988 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-24 23:49:41,989 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-24 23:49:41,989 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][5] could not be translated [2023-11-24 23:49:41,989 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-24 23:49:41,989 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-24 23:49:41,989 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-24 23:49:41,990 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-24 23:49:41,990 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][0] could not be translated [2023-11-24 23:49:41,990 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][7] could not be translated [2023-11-24 23:49:41,990 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-24 23:49:41,991 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][2] could not be translated [2023-11-24 23:49:41,991 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][6] could not be translated [2023-11-24 23:49:41,991 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][1] could not be translated [2023-11-24 23:49:41,992 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-24 23:49:41,992 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-24 23:49:42,019 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][4] could not be translated [2023-11-24 23:49:42,019 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][3] could not be translated [2023-11-24 23:49:42,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-24 23:49:42,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-24 23:49:42,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][5] could not be translated [2023-11-24 23:49:42,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-24 23:49:42,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-24 23:49:42,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-24 23:49:42,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-24 23:49:42,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][0] could not be translated [2023-11-24 23:49:42,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:49:42 BoogieIcfgContainer [2023-11-24 23:49:42,023 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:49:42,024 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:49:42,024 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:49:42,024 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:49:42,025 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:49:19" (3/4) ... [2023-11-24 23:49:42,028 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:49:42,033 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-24 23:49:42,054 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-24 23:49:42,055 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-24 23:49:42,055 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 23:49:42,056 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:49:42,056 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:49:42,289 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/witness.graphml [2023-11-24 23:49:42,289 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/witness.yml [2023-11-24 23:49:42,289 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:49:42,291 INFO L158 Benchmark]: Toolchain (without parser) took 23488.15ms. Allocated memory was 123.7MB in the beginning and 318.8MB in the end (delta: 195.0MB). Free memory was 80.9MB in the beginning and 102.0MB in the end (delta: -21.1MB). Peak memory consumption was 176.3MB. Max. memory is 16.1GB. [2023-11-24 23:49:42,291 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 123.7MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:49:42,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.61ms. Allocated memory is still 123.7MB. Free memory was 80.9MB in the beginning and 70.1MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:49:42,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.72ms. Allocated memory is still 123.7MB. Free memory was 70.1MB in the beginning and 68.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:49:42,293 INFO L158 Benchmark]: Boogie Preprocessor took 31.33ms. Allocated memory is still 123.7MB. Free memory was 68.2MB in the beginning and 66.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:49:42,293 INFO L158 Benchmark]: RCFGBuilder took 568.49ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 66.9MB in the beginning and 114.1MB in the end (delta: -47.2MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-11-24 23:49:42,294 INFO L158 Benchmark]: TraceAbstraction took 22261.76ms. Allocated memory was 151.0MB in the beginning and 318.8MB in the end (delta: 167.8MB). Free memory was 113.1MB in the beginning and 110.4MB in the end (delta: 2.7MB). Peak memory consumption was 171.4MB. Max. memory is 16.1GB. [2023-11-24 23:49:42,294 INFO L158 Benchmark]: Witness Printer took 265.96ms. Allocated memory is still 318.8MB. Free memory was 110.4MB in the beginning and 102.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 23:49:42,301 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 123.7MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.61ms. Allocated memory is still 123.7MB. Free memory was 80.9MB in the beginning and 70.1MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.72ms. Allocated memory is still 123.7MB. Free memory was 70.1MB in the beginning and 68.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.33ms. Allocated memory is still 123.7MB. Free memory was 68.2MB in the beginning and 66.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 568.49ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 66.9MB in the beginning and 114.1MB in the end (delta: -47.2MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * TraceAbstraction took 22261.76ms. Allocated memory was 151.0MB in the beginning and 318.8MB in the end (delta: 167.8MB). Free memory was 113.1MB in the beginning and 110.4MB in the end (delta: 2.7MB). Peak memory consumption was 171.4MB. Max. memory is 16.1GB. * Witness Printer took 265.96ms. Allocated memory is still 318.8MB. Free memory was 110.4MB in the beginning and 102.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][6] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][5] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][6] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][5] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][6] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][5] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][7] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][6] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][5] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[2][0] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 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: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: 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: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: 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: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: 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: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: 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, 75 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 22.1s, OverallIterations: 14, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 227 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 219 mSDsluCounter, 1062 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 582 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 915 IncrementalHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 480 mSDtfsCounter, 915 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 474 GetRequests, 366 SyntacticMatches, 29 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 562 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=4, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 83 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 29 PreInvPairs, 38 NumberOfFragments, 948 HoareAnnotationTreeSize, 29 FomulaSimplifications, 1313 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 10 FomulaSimplificationsInter, 586 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 300 NumberOfCodeBlocks, 300 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 375 ConstructedInterpolants, 0 QuantifiedInterpolants, 1265 SizeOfPredicates, 22 NumberOfNonLiveVariables, 1228 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 158/174 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: OVERALL_TIME: 4.9s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 82, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 93, TOOLS_POST_TIME: 1.8s, TOOLS_POST_CALL_APPLICATIONS: 45, TOOLS_POST_CALL_TIME: 0.9s, TOOLS_POST_RETURN_APPLICATIONS: 36, TOOLS_POST_RETURN_TIME: 0.9s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 174, TOOLS_QUANTIFIERELIM_TIME: 3.5s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 222, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 56, DOMAIN_JOIN_TIME: 1.0s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 82, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME: 1.9s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.9s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 36, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 1238, DAG_COMPRESSION_RETAINED_NODES: 228, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 28 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((((((r <= 2147483647) && (2 == p)) && (q == 0)) && (A == r)) && (1 <= r)) && (counter == 1)) && (B == 1)) && (2 == d)) || ((((((((d == 1) && (p == 1)) && (q == 0)) && (counter == 0)) && (A == r)) && (A <= 2147483647)) && (B == 1)) && (0 <= (r + 2147483648)))) - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: (((((((((d == 1) && (p == 1)) && (q == 0)) && (r <= 0)) && (A == r)) && (counter == 1)) && (B == 1)) && (0 <= (r + 2147483648))) || ((((((((r <= 2147483647) && (2 == p)) && (q == 0)) && (A == r)) && (1 <= r)) && (B == 1)) && (2 == d)) && (counter == 2))) RESULT: Ultimate proved your program to be correct! [2023-11-24 23:49:42,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8412245-93ec-4564-a24d-ccf4827dafe2/bin/utaipan-verify-SwPr7d2a91/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