./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.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_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh --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 9851f41ad4fb2d0ff96507e8e48f0d2886a8de6481eed845b23377b9fa492b45 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:47:58,077 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:47:58,140 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-12-02 13:47:58,145 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:47:58,146 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:47:58,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:47:58,170 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:47:58,171 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:47:58,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:47:58,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:47:58,172 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:47:58,173 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:47:58,173 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:47:58,174 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:47:58,174 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:47:58,175 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:47:58,175 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:47:58,176 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:47:58,176 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:47:58,177 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:47:58,177 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:47:58,178 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:47:58,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:47:58,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:47:58,179 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:47:58,179 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:47:58,180 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:47:58,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:47:58,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:47:58,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:47:58,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:47:58,182 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 13:47:58,182 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 13:47:58,183 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:47:58,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:47:58,183 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:47:58,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:47:58,184 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:47:58,184 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:47:58,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:47:58,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:47:58,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:47:58,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:47:58,187 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:47:58,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:47:58,188 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:47:58,188 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:47:58,188 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:47:58,188 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:47:58,188 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_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9851f41ad4fb2d0ff96507e8e48f0d2886a8de6481eed845b23377b9fa492b45 [2023-12-02 13:47:58,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:47:58,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:47:58,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:47:58,435 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:47:58,436 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:47:58,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c [2023-12-02 13:48:01,135 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:48:01,290 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:48:01,291 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c [2023-12-02 13:48:01,297 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/data/ed469ee38/32ca49cf474e4e40b8048a0dbc6a4aea/FLAGcb8a571b8 [2023-12-02 13:48:01,308 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/data/ed469ee38/32ca49cf474e4e40b8048a0dbc6a4aea [2023-12-02 13:48:01,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:48:01,312 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:48:01,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:48:01,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:48:01,318 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:48:01,319 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:48:01" (1/1) ... [2023-12-02 13:48:01,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd088ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:01, skipping insertion in model container [2023-12-02 13:48:01,321 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:48:01" (1/1) ... [2023-12-02 13:48:01,343 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:48:01,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:48:01,497 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:48:01,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:48:01,528 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:48:01,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:01 WrapperNode [2023-12-02 13:48:01,529 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:48:01,530 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:48:01,530 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:48:01,530 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:48:01,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:01" (1/1) ... [2023-12-02 13:48:01,542 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:01" (1/1) ... [2023-12-02 13:48:01,569 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2023-12-02 13:48:01,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:48:01,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:48:01,570 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:48:01,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:48:01,579 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:01" (1/1) ... [2023-12-02 13:48:01,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:01" (1/1) ... [2023-12-02 13:48:01,581 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:01" (1/1) ... [2023-12-02 13:48:01,582 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:01" (1/1) ... [2023-12-02 13:48:01,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:01" (1/1) ... [2023-12-02 13:48:01,589 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:01" (1/1) ... [2023-12-02 13:48:01,591 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:01" (1/1) ... [2023-12-02 13:48:01,592 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:01" (1/1) ... [2023-12-02 13:48:01,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:48:01,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:48:01,595 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:48:01,595 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:48:01,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:01" (1/1) ... [2023-12-02 13:48:01,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:48:01,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:48:01,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:48:01,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:48:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:48:01,656 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:48:01,656 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:48:01,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:48:01,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:48:01,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:48:01,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 13:48:01,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 13:48:01,719 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:48:01,721 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:48:01,973 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:48:02,004 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:48:02,004 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 13:48:02,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:48:02 BoogieIcfgContainer [2023-12-02 13:48:02,006 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:48:02,009 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:48:02,009 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:48:02,013 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:48:02,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:48:01" (1/3) ... [2023-12-02 13:48:02,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ba022d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:48:02, skipping insertion in model container [2023-12-02 13:48:02,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:48:01" (2/3) ... [2023-12-02 13:48:02,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ba022d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:48:02, skipping insertion in model container [2023-12-02 13:48:02,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:48:02" (3/3) ... [2023-12-02 13:48:02,016 INFO L112 eAbstractionObserver]: Analyzing ICFG hard-ll_valuebound2.c [2023-12-02 13:48:02,036 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:48:02,036 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2023-12-02 13:48:02,089 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:48:02,096 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;@366c503e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:48:02,097 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2023-12-02 13:48:02,101 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 35 states have (on average 1.8285714285714285) internal successors, (64), 59 states have internal predecessors, (64), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-02 13:48:02,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 13:48:02,109 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:02,110 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:02,110 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:48:02,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:02,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1276581072, now seen corresponding path program 1 times [2023-12-02 13:48:02,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:02,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046268043] [2023-12-02 13:48:02,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:02,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:02,259 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:02,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046268043] [2023-12-02 13:48:02,260 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-02 13:48:02,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893789075] [2023-12-02 13:48:02,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:02,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:48:02,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:48:02,265 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:48:02,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 13:48:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:02,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 13:48:02,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:48:02,342 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 13:48:02,342 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:48:02,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893789075] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:02,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:02,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:48:02,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081138027] [2023-12-02 13:48:02,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:02,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 13:48:02,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:02,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 13:48:02,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:48:02,378 INFO L87 Difference]: Start difference. First operand has 72 states, 35 states have (on average 1.8285714285714285) internal successors, (64), 59 states have internal predecessors, (64), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2023-12-02 13:48:02,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:02,408 INFO L93 Difference]: Finished difference Result 119 states and 136 transitions. [2023-12-02 13:48:02,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 13:48:02,410 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 15 [2023-12-02 13:48:02,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:02,417 INFO L225 Difference]: With dead ends: 119 [2023-12-02 13:48:02,417 INFO L226 Difference]: Without dead ends: 68 [2023-12-02 13:48:02,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:48:02,424 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:02,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 13:48:02,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-12-02 13:48:02,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-12-02 13:48:02,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 34 states have (on average 1.7647058823529411) internal successors, (60), 57 states have internal predecessors, (60), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-02 13:48:02,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 76 transitions. [2023-12-02 13:48:02,464 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 76 transitions. Word has length 15 [2023-12-02 13:48:02,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:02,465 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 76 transitions. [2023-12-02 13:48:02,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2023-12-02 13:48:02,466 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2023-12-02 13:48:02,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 13:48:02,467 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:02,467 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:02,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:48:02,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 13:48:02,669 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:48:02,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:02,670 INFO L85 PathProgramCache]: Analyzing trace with hash 497489263, now seen corresponding path program 1 times [2023-12-02 13:48:02,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:02,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329086346] [2023-12-02 13:48:02,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:02,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:02,690 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:48:02,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1072405607] [2023-12-02 13:48:02,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:02,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:48:02,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:48:02,692 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:48:02,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 13:48:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:02,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 13:48:02,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:48:02,849 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 13:48:02,849 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:48:02,849 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:02,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329086346] [2023-12-02 13:48:02,850 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:48:02,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072405607] [2023-12-02 13:48:02,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072405607] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:02,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:02,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:48:02,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499333912] [2023-12-02 13:48:02,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:02,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:48:02,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:02,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:48:02,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:48:02,854 INFO L87 Difference]: Start difference. First operand 68 states and 76 transitions. Second operand has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-02 13:48:03,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:03,013 INFO L93 Difference]: Finished difference Result 142 states and 161 transitions. [2023-12-02 13:48:03,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 13:48:03,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 20 [2023-12-02 13:48:03,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:03,015 INFO L225 Difference]: With dead ends: 142 [2023-12-02 13:48:03,015 INFO L226 Difference]: Without dead ends: 95 [2023-12-02 13:48:03,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:48:03,018 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 76 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:03,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 131 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:48:03,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-12-02 13:48:03,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 89. [2023-12-02 13:48:03,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 50 states have (on average 1.66) internal successors, (83), 73 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 13:48:03,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 109 transitions. [2023-12-02 13:48:03,033 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 109 transitions. Word has length 20 [2023-12-02 13:48:03,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:03,034 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 109 transitions. [2023-12-02 13:48:03,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-02 13:48:03,034 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 109 transitions. [2023-12-02 13:48:03,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 13:48:03,035 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:03,035 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:03,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 13:48:03,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-02 13:48:03,237 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:48:03,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:03,237 INFO L85 PathProgramCache]: Analyzing trace with hash 961396655, now seen corresponding path program 1 times [2023-12-02 13:48:03,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:03,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913277888] [2023-12-02 13:48:03,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:03,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:03,252 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:48:03,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1316090772] [2023-12-02 13:48:03,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:03,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:48:03,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:48:03,254 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:48:03,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 13:48:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:03,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 13:48:03,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:48:03,339 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 13:48:03,339 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:48:03,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:03,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913277888] [2023-12-02 13:48:03,339 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:48:03,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316090772] [2023-12-02 13:48:03,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316090772] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:03,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:03,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:48:03,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485258224] [2023-12-02 13:48:03,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:03,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:48:03,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:03,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:48:03,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:48:03,342 INFO L87 Difference]: Start difference. First operand 89 states and 109 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 13:48:03,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:03,384 INFO L93 Difference]: Finished difference Result 89 states and 109 transitions. [2023-12-02 13:48:03,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:48:03,385 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 26 [2023-12-02 13:48:03,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:03,386 INFO L225 Difference]: With dead ends: 89 [2023-12-02 13:48:03,387 INFO L226 Difference]: Without dead ends: 87 [2023-12-02 13:48:03,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:48:03,388 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 47 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:03,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 62 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 13:48:03,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-12-02 13:48:03,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-12-02 13:48:03,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 50 states have (on average 1.6) internal successors, (80), 71 states have internal predecessors, (80), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 13:48:03,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 106 transitions. [2023-12-02 13:48:03,402 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 106 transitions. Word has length 26 [2023-12-02 13:48:03,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:03,403 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 106 transitions. [2023-12-02 13:48:03,403 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 13:48:03,403 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 106 transitions. [2023-12-02 13:48:03,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 13:48:03,404 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:03,404 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:03,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 13:48:03,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-12-02 13:48:03,609 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:48:03,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:03,609 INFO L85 PathProgramCache]: Analyzing trace with hash -261476083, now seen corresponding path program 1 times [2023-12-02 13:48:03,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:03,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468112785] [2023-12-02 13:48:03,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:03,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:03,621 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:48:03,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1121339811] [2023-12-02 13:48:03,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:03,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:48:03,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:48:03,622 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:48:03,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 13:48:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:03,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 13:48:03,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:48:03,843 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 13:48:03,843 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:48:04,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 13:48:04,015 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:04,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468112785] [2023-12-02 13:48:04,015 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:48:04,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121339811] [2023-12-02 13:48:04,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121339811] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 13:48:04,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:48:04,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-12-02 13:48:04,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745174813] [2023-12-02 13:48:04,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:04,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:48:04,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:04,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:48:04,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-12-02 13:48:04,018 INFO L87 Difference]: Start difference. First operand 87 states and 106 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 13:48:04,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:04,099 INFO L93 Difference]: Finished difference Result 90 states and 109 transitions. [2023-12-02 13:48:04,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:48:04,100 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 27 [2023-12-02 13:48:04,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:04,101 INFO L225 Difference]: With dead ends: 90 [2023-12-02 13:48:04,102 INFO L226 Difference]: Without dead ends: 89 [2023-12-02 13:48:04,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-12-02 13:48:04,103 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 95 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:04,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 57 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:48:04,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-12-02 13:48:04,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-12-02 13:48:04,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 52 states have (on average 1.5576923076923077) internal successors, (81), 73 states have internal predecessors, (81), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 13:48:04,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 107 transitions. [2023-12-02 13:48:04,119 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 107 transitions. Word has length 27 [2023-12-02 13:48:04,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:04,119 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 107 transitions. [2023-12-02 13:48:04,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 13:48:04,119 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 107 transitions. [2023-12-02 13:48:04,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 13:48:04,120 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:04,121 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:04,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 13:48:04,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:48:04,326 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:48:04,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:04,326 INFO L85 PathProgramCache]: Analyzing trace with hash -261474705, now seen corresponding path program 1 times [2023-12-02 13:48:04,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:04,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014205139] [2023-12-02 13:48:04,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:04,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:04,342 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:48:04,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [571603931] [2023-12-02 13:48:04,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:04,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:48:04,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:48:04,344 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:48:04,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 13:48:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:04,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 13:48:04,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:48:04,418 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 13:48:04,418 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:48:04,418 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:04,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014205139] [2023-12-02 13:48:04,418 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:48:04,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571603931] [2023-12-02 13:48:04,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571603931] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:04,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:04,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:48:04,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301897534] [2023-12-02 13:48:04,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:04,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:48:04,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:04,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:48:04,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:48:04,421 INFO L87 Difference]: Start difference. First operand 89 states and 107 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 13:48:04,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:04,474 INFO L93 Difference]: Finished difference Result 101 states and 114 transitions. [2023-12-02 13:48:04,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:48:04,475 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 27 [2023-12-02 13:48:04,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:04,476 INFO L225 Difference]: With dead ends: 101 [2023-12-02 13:48:04,476 INFO L226 Difference]: Without dead ends: 100 [2023-12-02 13:48:04,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:48:04,477 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 19 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:04,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 109 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 13:48:04,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-12-02 13:48:04,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 89. [2023-12-02 13:48:04,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 52 states have (on average 1.5384615384615385) internal successors, (80), 73 states have internal predecessors, (80), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 13:48:04,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 106 transitions. [2023-12-02 13:48:04,492 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 106 transitions. Word has length 27 [2023-12-02 13:48:04,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:04,492 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 106 transitions. [2023-12-02 13:48:04,492 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 13:48:04,492 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2023-12-02 13:48:04,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 13:48:04,493 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:04,493 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:04,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 13:48:04,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:48:04,699 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:48:04,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:04,700 INFO L85 PathProgramCache]: Analyzing trace with hash 484176100, now seen corresponding path program 1 times [2023-12-02 13:48:04,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:04,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186597378] [2023-12-02 13:48:04,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:04,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:04,713 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:48:04,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1562719282] [2023-12-02 13:48:04,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:04,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:48:04,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:48:04,715 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:48:04,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 13:48:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:04,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 13:48:04,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:48:04,920 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 13:48:04,920 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:48:05,061 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 13:48:05,061 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:05,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186597378] [2023-12-02 13:48:05,062 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:48:05,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562719282] [2023-12-02 13:48:05,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562719282] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 13:48:05,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:48:05,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-12-02 13:48:05,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54076564] [2023-12-02 13:48:05,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:05,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:48:05,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:05,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:48:05,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-12-02 13:48:05,064 INFO L87 Difference]: Start difference. First operand 89 states and 106 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 13:48:05,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:05,137 INFO L93 Difference]: Finished difference Result 91 states and 108 transitions. [2023-12-02 13:48:05,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:48:05,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 28 [2023-12-02 13:48:05,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:05,139 INFO L225 Difference]: With dead ends: 91 [2023-12-02 13:48:05,139 INFO L226 Difference]: Without dead ends: 90 [2023-12-02 13:48:05,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-12-02 13:48:05,140 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 91 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:05,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 58 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:48:05,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-12-02 13:48:05,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-12-02 13:48:05,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 53 states have (on average 1.509433962264151) internal successors, (80), 74 states have internal predecessors, (80), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 13:48:05,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 106 transitions. [2023-12-02 13:48:05,153 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 106 transitions. Word has length 28 [2023-12-02 13:48:05,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:05,154 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 106 transitions. [2023-12-02 13:48:05,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 13:48:05,154 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 106 transitions. [2023-12-02 13:48:05,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 13:48:05,155 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:05,155 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:05,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 13:48:05,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-12-02 13:48:05,360 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:48:05,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:05,361 INFO L85 PathProgramCache]: Analyzing trace with hash 2124557295, now seen corresponding path program 1 times [2023-12-02 13:48:05,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:05,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367422310] [2023-12-02 13:48:05,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:05,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:05,373 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:48:05,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [742851398] [2023-12-02 13:48:05,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:05,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:48:05,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:48:05,374 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:48:05,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 13:48:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:05,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 13:48:05,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:48:05,460 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 13:48:05,460 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:48:05,460 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:05,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367422310] [2023-12-02 13:48:05,460 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:48:05,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742851398] [2023-12-02 13:48:05,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742851398] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:05,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:05,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:48:05,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321726039] [2023-12-02 13:48:05,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:05,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:48:05,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:05,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:48:05,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:48:05,462 INFO L87 Difference]: Start difference. First operand 90 states and 106 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 13:48:05,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:05,647 INFO L93 Difference]: Finished difference Result 124 states and 143 transitions. [2023-12-02 13:48:05,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:48:05,650 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 29 [2023-12-02 13:48:05,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:05,651 INFO L225 Difference]: With dead ends: 124 [2023-12-02 13:48:05,651 INFO L226 Difference]: Without dead ends: 123 [2023-12-02 13:48:05,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:48:05,652 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 43 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:05,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 106 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 13:48:05,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-12-02 13:48:05,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 105. [2023-12-02 13:48:05,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 66 states have (on average 1.5151515151515151) internal successors, (100), 87 states have internal predecessors, (100), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-02 13:48:05,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 130 transitions. [2023-12-02 13:48:05,673 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 130 transitions. Word has length 29 [2023-12-02 13:48:05,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:05,674 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 130 transitions. [2023-12-02 13:48:05,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 13:48:05,674 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 130 transitions. [2023-12-02 13:48:05,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 13:48:05,675 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:05,675 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:05,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 13:48:05,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-12-02 13:48:05,876 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:48:05,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:05,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1436766790, now seen corresponding path program 1 times [2023-12-02 13:48:05,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:05,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189959199] [2023-12-02 13:48:05,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:05,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:05,887 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:48:05,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [604558500] [2023-12-02 13:48:05,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:05,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:48:05,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:48:05,889 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:48:05,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 13:48:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:05,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 13:48:05,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:48:06,067 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 13:48:06,068 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:48:06,233 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 13:48:06,233 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:06,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189959199] [2023-12-02 13:48:06,233 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:48:06,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604558500] [2023-12-02 13:48:06,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604558500] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 13:48:06,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:48:06,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2023-12-02 13:48:06,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541711961] [2023-12-02 13:48:06,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:06,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:48:06,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:06,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:48:06,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-02 13:48:06,235 INFO L87 Difference]: Start difference. First operand 105 states and 130 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 13:48:06,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:06,441 INFO L93 Difference]: Finished difference Result 116 states and 141 transitions. [2023-12-02 13:48:06,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:48:06,442 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 30 [2023-12-02 13:48:06,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:06,443 INFO L225 Difference]: With dead ends: 116 [2023-12-02 13:48:06,443 INFO L226 Difference]: Without dead ends: 115 [2023-12-02 13:48:06,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-12-02 13:48:06,444 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 141 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:06,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 72 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 13:48:06,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-12-02 13:48:06,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 107. [2023-12-02 13:48:06,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 68 states have (on average 1.4852941176470589) internal successors, (101), 89 states have internal predecessors, (101), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-02 13:48:06,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 131 transitions. [2023-12-02 13:48:06,459 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 131 transitions. Word has length 30 [2023-12-02 13:48:06,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:06,459 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 131 transitions. [2023-12-02 13:48:06,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-02 13:48:06,460 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 131 transitions. [2023-12-02 13:48:06,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 13:48:06,461 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:06,461 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:06,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-02 13:48:06,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:48:06,664 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:48:06,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:06,664 INFO L85 PathProgramCache]: Analyzing trace with hash 2035367729, now seen corresponding path program 1 times [2023-12-02 13:48:06,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:06,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866748946] [2023-12-02 13:48:06,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:06,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:06,676 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:48:06,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1866690691] [2023-12-02 13:48:06,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:06,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:48:06,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:48:06,677 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:48:06,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 13:48:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:06,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 13:48:06,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:48:06,923 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 13:48:06,923 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:48:07,118 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:07,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866748946] [2023-12-02 13:48:07,118 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:48:07,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866690691] [2023-12-02 13:48:07,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866690691] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:48:07,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1580603517] [2023-12-02 13:48:07,138 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2023-12-02 13:48:07,138 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:48:07,141 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:48:07,146 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:48:07,147 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:48:09,486 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 for LOIs [2023-12-02 13:48:09,487 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2023-12-02 13:48:09,488 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:48:17,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1580603517] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:17,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:48:17,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [7] total 23 [2023-12-02 13:48:17,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418043076] [2023-12-02 13:48:17,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:17,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-02 13:48:17,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:17,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-02 13:48:17,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=579, Unknown=2, NotChecked=0, Total=702 [2023-12-02 13:48:17,846 INFO L87 Difference]: Start difference. First operand 107 states and 131 transitions. Second operand has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2023-12-02 13:48:24,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:24,104 INFO L93 Difference]: Finished difference Result 147 states and 171 transitions. [2023-12-02 13:48:24,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 13:48:24,105 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) Word has length 37 [2023-12-02 13:48:24,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:24,106 INFO L225 Difference]: With dead ends: 147 [2023-12-02 13:48:24,106 INFO L226 Difference]: Without dead ends: 119 [2023-12-02 13:48:24,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=268, Invalid=1062, Unknown=2, NotChecked=0, Total=1332 [2023-12-02 13:48:24,108 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 284 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:24,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 74 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 13:48:24,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-12-02 13:48:24,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 104. [2023-12-02 13:48:24,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 70 states have (on average 1.3857142857142857) internal successors, (97), 86 states have internal predecessors, (97), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-02 13:48:24,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 127 transitions. [2023-12-02 13:48:24,125 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 127 transitions. Word has length 37 [2023-12-02 13:48:24,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:24,126 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 127 transitions. [2023-12-02 13:48:24,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2023-12-02 13:48:24,126 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 127 transitions. [2023-12-02 13:48:24,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 13:48:24,127 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:24,128 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:24,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-02 13:48:24,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:48:24,332 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:48:24,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:24,332 INFO L85 PathProgramCache]: Analyzing trace with hash 783991694, now seen corresponding path program 1 times [2023-12-02 13:48:24,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:24,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378141365] [2023-12-02 13:48:24,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:24,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:24,349 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:48:24,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1900987120] [2023-12-02 13:48:24,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:24,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:48:24,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:48:24,351 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:48:24,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-02 13:48:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:24,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 13:48:24,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:48:24,452 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-12-02 13:48:24,452 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:48:24,452 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:24,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378141365] [2023-12-02 13:48:24,452 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:48:24,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900987120] [2023-12-02 13:48:24,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900987120] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:24,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:24,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:48:24,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514398654] [2023-12-02 13:48:24,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:24,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:48:24,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:24,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:48:24,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:48:24,455 INFO L87 Difference]: Start difference. First operand 104 states and 127 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-12-02 13:48:24,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:24,524 INFO L93 Difference]: Finished difference Result 108 states and 131 transitions. [2023-12-02 13:48:24,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:48:24,525 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 59 [2023-12-02 13:48:24,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:24,526 INFO L225 Difference]: With dead ends: 108 [2023-12-02 13:48:24,526 INFO L226 Difference]: Without dead ends: 106 [2023-12-02 13:48:24,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:48:24,527 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 36 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:24,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 114 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 13:48:24,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-12-02 13:48:24,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 102. [2023-12-02 13:48:24,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 70 states have (on average 1.3285714285714285) internal successors, (93), 84 states have internal predecessors, (93), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-02 13:48:24,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 123 transitions. [2023-12-02 13:48:24,550 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 123 transitions. Word has length 59 [2023-12-02 13:48:24,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:24,551 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 123 transitions. [2023-12-02 13:48:24,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-12-02 13:48:24,551 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 123 transitions. [2023-12-02 13:48:24,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 13:48:24,552 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:24,552 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:24,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-12-02 13:48:24,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:48:24,758 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:48:24,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:24,758 INFO L85 PathProgramCache]: Analyzing trace with hash -135496324, now seen corresponding path program 1 times [2023-12-02 13:48:24,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:24,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541955486] [2023-12-02 13:48:24,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:24,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:24,769 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:48:24,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [14821530] [2023-12-02 13:48:24,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:24,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:48:24,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:48:24,771 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:48:24,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-02 13:48:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:24,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 13:48:24,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:48:24,838 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-12-02 13:48:24,838 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:48:24,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:24,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541955486] [2023-12-02 13:48:24,838 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:48:24,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14821530] [2023-12-02 13:48:24,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14821530] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:24,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:24,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:48:24,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357081537] [2023-12-02 13:48:24,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:24,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:48:24,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:24,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:48:24,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:48:24,841 INFO L87 Difference]: Start difference. First operand 102 states and 123 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-12-02 13:48:24,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:24,892 INFO L93 Difference]: Finished difference Result 102 states and 123 transitions. [2023-12-02 13:48:24,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:48:24,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 62 [2023-12-02 13:48:24,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:24,894 INFO L225 Difference]: With dead ends: 102 [2023-12-02 13:48:24,894 INFO L226 Difference]: Without dead ends: 101 [2023-12-02 13:48:24,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:48:24,895 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 3 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:24,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 97 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 13:48:24,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-12-02 13:48:24,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-12-02 13:48:24,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 70 states have (on average 1.3) internal successors, (91), 83 states have internal predecessors, (91), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-02 13:48:24,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 121 transitions. [2023-12-02 13:48:24,918 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 121 transitions. Word has length 62 [2023-12-02 13:48:24,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:24,918 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 121 transitions. [2023-12-02 13:48:24,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-12-02 13:48:24,918 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 121 transitions. [2023-12-02 13:48:24,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 13:48:24,919 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:24,920 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:24,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-12-02 13:48:25,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:48:25,125 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:48:25,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:25,125 INFO L85 PathProgramCache]: Analyzing trace with hash 94581363, now seen corresponding path program 1 times [2023-12-02 13:48:25,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:25,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128584707] [2023-12-02 13:48:25,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:25,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:25,134 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:48:25,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [340682328] [2023-12-02 13:48:25,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:25,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:48:25,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:48:25,136 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:48:25,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-02 13:48:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:25,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 13:48:25,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:48:25,411 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-12-02 13:48:25,411 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:48:25,412 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:25,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128584707] [2023-12-02 13:48:25,412 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:48:25,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340682328] [2023-12-02 13:48:25,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340682328] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:25,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:25,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 13:48:25,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023597194] [2023-12-02 13:48:25,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:25,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 13:48:25,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:25,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 13:48:25,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 13:48:25,414 INFO L87 Difference]: Start difference. First operand 101 states and 121 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2023-12-02 13:48:26,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:26,209 INFO L93 Difference]: Finished difference Result 195 states and 224 transitions. [2023-12-02 13:48:26,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 13:48:26,209 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 63 [2023-12-02 13:48:26,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:26,210 INFO L225 Difference]: With dead ends: 195 [2023-12-02 13:48:26,211 INFO L226 Difference]: Without dead ends: 130 [2023-12-02 13:48:26,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-12-02 13:48:26,212 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 46 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:26,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 186 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-02 13:48:26,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2023-12-02 13:48:26,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 89. [2023-12-02 13:48:26,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 60 states have (on average 1.3) internal successors, (78), 73 states have internal predecessors, (78), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 13:48:26,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 104 transitions. [2023-12-02 13:48:26,243 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 104 transitions. Word has length 63 [2023-12-02 13:48:26,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:26,243 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 104 transitions. [2023-12-02 13:48:26,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2023-12-02 13:48:26,243 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 104 transitions. [2023-12-02 13:48:26,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 13:48:26,250 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:26,250 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:26,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-12-02 13:48:26,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-12-02 13:48:26,461 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:48:26,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:26,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1362944930, now seen corresponding path program 1 times [2023-12-02 13:48:26,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:26,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501517430] [2023-12-02 13:48:26,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:26,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:26,471 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:48:26,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [346751677] [2023-12-02 13:48:26,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:26,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:48:26,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:48:26,472 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:48:26,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-02 13:48:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:26,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 13:48:26,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:48:26,665 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-12-02 13:48:26,665 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:48:26,665 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:26,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501517430] [2023-12-02 13:48:26,665 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:48:26,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346751677] [2023-12-02 13:48:26,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346751677] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:48:26,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:48:26,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:48:26,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143499044] [2023-12-02 13:48:26,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:48:26,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:48:26,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:26,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:48:26,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:48:26,667 INFO L87 Difference]: Start difference. First operand 89 states and 104 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-02 13:48:26,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:26,826 INFO L93 Difference]: Finished difference Result 93 states and 107 transitions. [2023-12-02 13:48:26,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 13:48:26,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 64 [2023-12-02 13:48:26,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:26,828 INFO L225 Difference]: With dead ends: 93 [2023-12-02 13:48:26,828 INFO L226 Difference]: Without dead ends: 92 [2023-12-02 13:48:26,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:48:26,829 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 25 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:26,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 105 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:48:26,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-12-02 13:48:26,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 89. [2023-12-02 13:48:26,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 73 states have internal predecessors, (77), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-02 13:48:26,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 103 transitions. [2023-12-02 13:48:26,851 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 103 transitions. Word has length 64 [2023-12-02 13:48:26,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:26,851 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 103 transitions. [2023-12-02 13:48:26,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-02 13:48:26,852 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 103 transitions. [2023-12-02 13:48:26,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 13:48:26,853 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:26,853 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:26,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-12-02 13:48:27,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-12-02 13:48:27,053 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:48:27,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:27,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1128519735, now seen corresponding path program 1 times [2023-12-02 13:48:27,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:27,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530164962] [2023-12-02 13:48:27,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:27,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:27,064 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:48:27,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [538942613] [2023-12-02 13:48:27,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:27,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:48:27,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:48:27,066 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:48:27,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-02 13:48:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:27,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 13:48:27,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:48:27,749 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 13:48:27,749 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:48:28,668 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:28,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530164962] [2023-12-02 13:48:28,668 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:48:28,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538942613] [2023-12-02 13:48:28,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538942613] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:48:28,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1214418313] [2023-12-02 13:48:28,671 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2023-12-02 13:48:28,672 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:48:28,672 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:48:28,672 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:48:28,672 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:48:31,563 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2023-12-02 13:48:31,564 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2023-12-02 13:48:31,565 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:48:38,261 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5436#(and (<= 1 |#StackHeapBarrier|) (<= 0 (+ 9223372036854775808 |ULTIMATE.start_main_~q~0#1|)) (exists ((|v_ULTIMATE.start_main_~p~0#1_59| Int)) (and (or (and (not (= (mod |v_ULTIMATE.start_main_~p~0#1_59| 2) 0)) (= (+ (div |v_ULTIMATE.start_main_~p~0#1_59| 2) 1) |ULTIMATE.start_main_~p~0#1|) (<= (+ |v_ULTIMATE.start_main_~p~0#1_59| 1) 0)) (and (or (= (mod |v_ULTIMATE.start_main_~p~0#1_59| 2) 0) (< 0 (+ |v_ULTIMATE.start_main_~p~0#1_59| 1))) (= (div |v_ULTIMATE.start_main_~p~0#1_59| 2) |ULTIMATE.start_main_~p~0#1|))) (<= (div |v_ULTIMATE.start_main_~p~0#1_59| 2) 9223372036854775807) (or (< 0 (+ 9223372036854775809 (div |v_ULTIMATE.start_main_~p~0#1_59| 2))) (and (= (+ 9223372036854775809 (div |v_ULTIMATE.start_main_~p~0#1_59| 2)) 0) (not (= (mod |v_ULTIMATE.start_main_~p~0#1_59| 2) 0)))))) (<= (+ (* |ULTIMATE.start_main_~q~0#1| (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) 9223372036854775809) 0) (<= 0 |ULTIMATE.start_main_~r~0#1|) (<= (+ |ULTIMATE.start_main_~d~0#1| |ULTIMATE.start_main_~r~0#1|) 9223372036854775807) (<= 0 (+ 9223372036854775808 |ULTIMATE.start_main_~d~0#1| |ULTIMATE.start_main_~r~0#1|)) (<= |ULTIMATE.start_main_~r~0#1| 9223372036854775807))' at error location [2023-12-02 13:48:38,261 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 13:48:38,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:48:38,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2023-12-02 13:48:38,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508138622] [2023-12-02 13:48:38,262 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-02 13:48:38,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 13:48:38,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:48:38,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 13:48:38,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=290, Invalid=1780, Unknown=0, NotChecked=0, Total=2070 [2023-12-02 13:48:38,265 INFO L87 Difference]: Start difference. First operand 89 states and 103 transitions. Second operand has 12 states, 9 states have (on average 4.111111111111111) internal successors, (37), 10 states have internal predecessors, (37), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) [2023-12-02 13:48:38,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:48:38,755 INFO L93 Difference]: Finished difference Result 176 states and 204 transitions. [2023-12-02 13:48:38,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 13:48:38,756 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 4.111111111111111) internal successors, (37), 10 states have internal predecessors, (37), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) Word has length 67 [2023-12-02 13:48:38,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:48:38,758 INFO L225 Difference]: With dead ends: 176 [2023-12-02 13:48:38,758 INFO L226 Difference]: Without dead ends: 175 [2023-12-02 13:48:38,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 939 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=299, Invalid=1863, Unknown=0, NotChecked=0, Total=2162 [2023-12-02 13:48:38,759 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 186 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:48:38,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 160 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 13:48:38,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-12-02 13:48:38,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 121. [2023-12-02 13:48:38,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 87 states have (on average 1.206896551724138) internal successors, (105), 100 states have internal predecessors, (105), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-02 13:48:38,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2023-12-02 13:48:38,787 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 141 transitions. Word has length 67 [2023-12-02 13:48:38,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:48:38,787 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 141 transitions. [2023-12-02 13:48:38,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 4.111111111111111) internal successors, (37), 10 states have internal predecessors, (37), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) [2023-12-02 13:48:38,787 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2023-12-02 13:48:38,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 13:48:38,788 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:48:38,788 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:48:38,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-12-02 13:48:38,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-12-02 13:48:38,989 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:48:38,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:48:38,989 INFO L85 PathProgramCache]: Analyzing trace with hash 624373498, now seen corresponding path program 1 times [2023-12-02 13:48:38,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:48:38,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68882402] [2023-12-02 13:48:38,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:38,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:48:38,997 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:48:38,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1151304128] [2023-12-02 13:48:38,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:48:38,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:48:38,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:48:38,999 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:48:39,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-12-02 13:48:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:48:39,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 13:48:39,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:48:39,607 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 13:48:39,607 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:48:39,939 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:48:39,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68882402] [2023-12-02 13:48:39,939 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:48:39,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151304128] [2023-12-02 13:48:39,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151304128] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:48:39,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [258469790] [2023-12-02 13:48:39,943 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2023-12-02 13:48:39,943 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:48:39,943 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:48:39,944 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:48:39,944 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:48:42,348 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2023-12-02 13:48:42,349 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2023-12-02 13:48:42,350 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:49:00,274 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6085#(and (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~q~0#1| 9223372036854775807) (<= 9223372036854775808 (* |ULTIMATE.start_main_~q~0#1| (mod |ULTIMATE.start_main_~B~0#1| 4294967296))))' at error location [2023-12-02 13:49:00,274 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 13:49:00,274 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:49:00,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2023-12-02 13:49:00,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990870564] [2023-12-02 13:49:00,274 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-02 13:49:00,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 13:49:00,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:49:00,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 13:49:00,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=1780, Unknown=3, NotChecked=0, Total=2070 [2023-12-02 13:49:00,276 INFO L87 Difference]: Start difference. First operand 121 states and 141 transitions. Second operand has 12 states, 9 states have (on average 4.222222222222222) internal successors, (38), 10 states have internal predecessors, (38), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) [2023-12-02 13:49:00,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:00,571 INFO L93 Difference]: Finished difference Result 164 states and 188 transitions. [2023-12-02 13:49:00,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 13:49:00,571 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 4.222222222222222) internal successors, (38), 10 states have internal predecessors, (38), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) Word has length 68 [2023-12-02 13:49:00,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:00,573 INFO L225 Difference]: With dead ends: 164 [2023-12-02 13:49:00,573 INFO L226 Difference]: Without dead ends: 163 [2023-12-02 13:49:00,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 912 ImplicationChecksByTransitivity, 18.1s TimeCoverageRelationStatistics Valid=287, Invalid=1780, Unknown=3, NotChecked=0, Total=2070 [2023-12-02 13:49:00,575 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 96 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:00,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 142 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 13:49:00,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2023-12-02 13:49:00,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 122. [2023-12-02 13:49:00,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 88 states have (on average 1.2045454545454546) internal successors, (106), 101 states have internal predecessors, (106), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-02 13:49:00,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 142 transitions. [2023-12-02 13:49:00,598 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 142 transitions. Word has length 68 [2023-12-02 13:49:00,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:00,599 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 142 transitions. [2023-12-02 13:49:00,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 4.222222222222222) internal successors, (38), 10 states have internal predecessors, (38), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) [2023-12-02 13:49:00,599 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 142 transitions. [2023-12-02 13:49:00,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 13:49:00,600 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:00,600 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:49:00,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-12-02 13:49:00,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-12-02 13:49:00,801 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:49:00,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:00,801 INFO L85 PathProgramCache]: Analyzing trace with hash -2119257959, now seen corresponding path program 1 times [2023-12-02 13:49:00,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:49:00,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87492254] [2023-12-02 13:49:00,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:00,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:49:00,810 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:49:00,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [410564767] [2023-12-02 13:49:00,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:00,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:49:00,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:49:00,811 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:49:00,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-12-02 13:49:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:00,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 13:49:00,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:49:00,892 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-12-02 13:49:00,892 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:49:00,892 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:49:00,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87492254] [2023-12-02 13:49:00,893 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:49:00,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410564767] [2023-12-02 13:49:00,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410564767] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:49:00,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:49:00,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:49:00,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690889463] [2023-12-02 13:49:00,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:49:00,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:49:00,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:49:00,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:49:00,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:49:00,894 INFO L87 Difference]: Start difference. First operand 122 states and 142 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-12-02 13:49:01,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:01,070 INFO L93 Difference]: Finished difference Result 122 states and 142 transitions. [2023-12-02 13:49:01,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 13:49:01,070 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 69 [2023-12-02 13:49:01,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:01,072 INFO L225 Difference]: With dead ends: 122 [2023-12-02 13:49:01,072 INFO L226 Difference]: Without dead ends: 121 [2023-12-02 13:49:01,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:49:01,073 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 42 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:01,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 77 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:49:01,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-12-02 13:49:01,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2023-12-02 13:49:01,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 88 states have (on average 1.1818181818181819) internal successors, (104), 100 states have internal predecessors, (104), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-02 13:49:01,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 140 transitions. [2023-12-02 13:49:01,094 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 140 transitions. Word has length 69 [2023-12-02 13:49:01,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:01,094 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 140 transitions. [2023-12-02 13:49:01,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-12-02 13:49:01,095 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 140 transitions. [2023-12-02 13:49:01,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 13:49:01,095 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:01,095 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:49:01,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-12-02 13:49:01,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:49:01,296 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:49:01,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:01,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1272487204, now seen corresponding path program 1 times [2023-12-02 13:49:01,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:49:01,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866129357] [2023-12-02 13:49:01,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:01,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:49:01,303 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:49:01,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1326733609] [2023-12-02 13:49:01,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:01,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:49:01,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:49:01,304 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:49:01,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-12-02 13:49:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:01,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 13:49:01,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:49:01,735 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 13:49:01,735 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:49:02,030 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:49:02,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866129357] [2023-12-02 13:49:02,030 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:49:02,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326733609] [2023-12-02 13:49:02,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326733609] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:49:02,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1043827748] [2023-12-02 13:49:02,033 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2023-12-02 13:49:02,034 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:49:02,034 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:49:02,034 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:49:02,034 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:49:04,350 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2023-12-02 13:49:04,351 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2023-12-02 13:49:04,352 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:49:19,096 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7242#(and (<= 1 |#StackHeapBarrier|) (<= 0 (+ 9223372036854775808 |ULTIMATE.start_main_~q~0#1|)) (<= |ULTIMATE.start_main_~q~0#1| 9223372036854775807) (<= (* |ULTIMATE.start_main_~q~0#1| (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) 9223372036854775807) (<= 9223372036854775808 (+ (* |ULTIMATE.start_main_~q~0#1| (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) |ULTIMATE.start_main_~r~0#1|)))' at error location [2023-12-02 13:49:19,096 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 13:49:19,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:49:19,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2023-12-02 13:49:19,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164905232] [2023-12-02 13:49:19,096 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-02 13:49:19,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 13:49:19,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:49:19,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 13:49:19,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=1838, Unknown=4, NotChecked=0, Total=2070 [2023-12-02 13:49:19,099 INFO L87 Difference]: Start difference. First operand 121 states and 140 transitions. Second operand has 11 states, 9 states have (on average 4.444444444444445) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2023-12-02 13:49:19,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:19,803 INFO L93 Difference]: Finished difference Result 172 states and 196 transitions. [2023-12-02 13:49:19,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 13:49:19,804 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 4.444444444444445) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 70 [2023-12-02 13:49:19,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:19,805 INFO L225 Difference]: With dead ends: 172 [2023-12-02 13:49:19,805 INFO L226 Difference]: Without dead ends: 167 [2023-12-02 13:49:19,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 902 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=289, Invalid=2569, Unknown=4, NotChecked=0, Total=2862 [2023-12-02 13:49:19,807 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 160 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:19,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 285 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 13:49:19,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-12-02 13:49:19,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 133. [2023-12-02 13:49:19,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 98 states have (on average 1.1938775510204083) internal successors, (117), 110 states have internal predecessors, (117), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-02 13:49:19,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 157 transitions. [2023-12-02 13:49:19,831 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 157 transitions. Word has length 70 [2023-12-02 13:49:19,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:19,831 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 157 transitions. [2023-12-02 13:49:19,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 4.444444444444445) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2023-12-02 13:49:19,831 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 157 transitions. [2023-12-02 13:49:19,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 13:49:19,832 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:19,832 INFO L195 NwaCegarLoop]: trace histogram [9, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:49:19,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-12-02 13:49:20,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:49:20,033 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:49:20,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:20,034 INFO L85 PathProgramCache]: Analyzing trace with hash -2010711524, now seen corresponding path program 1 times [2023-12-02 13:49:20,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:49:20,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899876246] [2023-12-02 13:49:20,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:20,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:49:20,044 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:49:20,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1610974285] [2023-12-02 13:49:20,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:20,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:49:20,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:49:20,046 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:49:20,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-12-02 13:49:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:20,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 13:49:20,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:49:20,438 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-12-02 13:49:20,438 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:49:22,052 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:49:22,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899876246] [2023-12-02 13:49:22,053 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:49:22,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610974285] [2023-12-02 13:49:22,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610974285] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:49:22,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [822052657] [2023-12-02 13:49:22,056 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2023-12-02 13:49:22,056 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:49:22,056 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:49:22,056 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:49:22,056 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:49:24,276 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2023-12-02 13:49:24,277 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2023-12-02 13:49:24,278 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:49:37,834 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7954#(and (<= 1 |#StackHeapBarrier|) (<= 0 (+ 9223372036854775808 |ULTIMATE.start_main_~q~0#1|)) (<= |ULTIMATE.start_main_~q~0#1| 9223372036854775807) (<= 9223372036854775808 (* |ULTIMATE.start_main_~p~0#1| (mod |ULTIMATE.start_main_~B~0#1| 4294967296))))' at error location [2023-12-02 13:49:37,834 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 13:49:37,834 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:49:37,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2023-12-02 13:49:37,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711603826] [2023-12-02 13:49:37,835 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-02 13:49:37,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 13:49:37,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:49:37,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 13:49:37,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=243, Invalid=1562, Unknown=1, NotChecked=0, Total=1806 [2023-12-02 13:49:37,836 INFO L87 Difference]: Start difference. First operand 133 states and 157 transitions. Second operand has 10 states, 8 states have (on average 5.25) internal successors, (42), 10 states have internal predecessors, (42), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) [2023-12-02 13:49:38,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:38,608 INFO L93 Difference]: Finished difference Result 176 states and 203 transitions. [2023-12-02 13:49:38,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 13:49:38,609 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.25) internal successors, (42), 10 states have internal predecessors, (42), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) Word has length 75 [2023-12-02 13:49:38,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:38,610 INFO L225 Difference]: With dead ends: 176 [2023-12-02 13:49:38,610 INFO L226 Difference]: Without dead ends: 174 [2023-12-02 13:49:38,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 124 SyntacticMatches, 5 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 776 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=294, Invalid=2155, Unknown=1, NotChecked=0, Total=2450 [2023-12-02 13:49:38,612 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 144 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:38,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 217 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 13:49:38,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-12-02 13:49:38,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 157. [2023-12-02 13:49:38,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 120 states have (on average 1.225) internal successors, (147), 132 states have internal predecessors, (147), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-02 13:49:38,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 191 transitions. [2023-12-02 13:49:38,637 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 191 transitions. Word has length 75 [2023-12-02 13:49:38,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:38,638 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 191 transitions. [2023-12-02 13:49:38,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.25) internal successors, (42), 10 states have internal predecessors, (42), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) [2023-12-02 13:49:38,638 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 191 transitions. [2023-12-02 13:49:38,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 13:49:38,638 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:38,639 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:49:38,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-12-02 13:49:38,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-12-02 13:49:38,839 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:49:38,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:38,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1956651579, now seen corresponding path program 1 times [2023-12-02 13:49:38,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:49:38,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944956639] [2023-12-02 13:49:38,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:38,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:49:38,848 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:49:38,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1399973598] [2023-12-02 13:49:38,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:38,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:49:38,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:49:38,849 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:49:38,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-12-02 13:49:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:38,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 13:49:38,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:49:39,234 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-12-02 13:49:39,235 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:49:40,216 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:49:40,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944956639] [2023-12-02 13:49:40,216 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:49:40,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399973598] [2023-12-02 13:49:40,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399973598] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:49:40,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1853554978] [2023-12-02 13:49:40,219 INFO L159 IcfgInterpreter]: Started Sifa with 42 locations of interest [2023-12-02 13:49:40,219 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:49:40,219 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:49:40,219 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:49:40,219 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:49:42,405 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2023-12-02 13:49:42,406 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2023-12-02 13:49:42,407 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:49:59,114 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8728#(and (<= (+ 9223372036854775809 (* |ULTIMATE.start_main_~d~0#1| |ULTIMATE.start_main_~q~0#1|)) 0) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~p~0#1| 1) (<= 0 (+ 9223372036854775808 |ULTIMATE.start_main_~q~0#1|)) (<= |ULTIMATE.start_main_~q~0#1| 9223372036854775807))' at error location [2023-12-02 13:49:59,114 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 13:49:59,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:49:59,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2023-12-02 13:49:59,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442036211] [2023-12-02 13:49:59,114 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-02 13:49:59,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 13:49:59,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:49:59,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 13:49:59,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=1715, Unknown=4, NotChecked=0, Total=1980 [2023-12-02 13:49:59,117 INFO L87 Difference]: Start difference. First operand 157 states and 191 transitions. Second operand has 9 states, 8 states have (on average 5.375) internal successors, (43), 9 states have internal predecessors, (43), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2023-12-02 13:49:59,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:49:59,578 INFO L93 Difference]: Finished difference Result 182 states and 218 transitions. [2023-12-02 13:49:59,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 13:49:59,579 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 9 states have internal predecessors, (43), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 80 [2023-12-02 13:49:59,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:49:59,580 INFO L225 Difference]: With dead ends: 182 [2023-12-02 13:49:59,580 INFO L226 Difference]: Without dead ends: 181 [2023-12-02 13:49:59,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 802 ImplicationChecksByTransitivity, 17.1s TimeCoverageRelationStatistics Valid=306, Invalid=2140, Unknown=4, NotChecked=0, Total=2450 [2023-12-02 13:49:59,583 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 47 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:49:59,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 199 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 13:49:59,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-12-02 13:49:59,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 168. [2023-12-02 13:49:59,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 129 states have (on average 1.2403100775193798) internal successors, (160), 141 states have internal predecessors, (160), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 13:49:59,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 208 transitions. [2023-12-02 13:49:59,612 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 208 transitions. Word has length 80 [2023-12-02 13:49:59,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:49:59,613 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 208 transitions. [2023-12-02 13:49:59,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 9 states have internal predecessors, (43), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2023-12-02 13:49:59,613 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 208 transitions. [2023-12-02 13:49:59,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-02 13:49:59,614 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:49:59,614 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:49:59,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-12-02 13:49:59,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:49:59,814 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:49:59,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:49:59,815 INFO L85 PathProgramCache]: Analyzing trace with hash -853504227, now seen corresponding path program 1 times [2023-12-02 13:49:59,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:49:59,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339538206] [2023-12-02 13:49:59,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:59,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:49:59,824 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:49:59,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1160527912] [2023-12-02 13:49:59,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:49:59,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:49:59,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:49:59,826 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:49:59,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-12-02 13:49:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:49:59,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 13:49:59,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:49:59,916 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2023-12-02 13:49:59,916 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:49:59,916 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:49:59,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339538206] [2023-12-02 13:49:59,917 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:49:59,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160527912] [2023-12-02 13:49:59,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160527912] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:49:59,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:49:59,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:49:59,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816562035] [2023-12-02 13:49:59,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:49:59,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:49:59,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:49:59,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:49:59,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:49:59,918 INFO L87 Difference]: Start difference. First operand 168 states and 208 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-02 13:50:00,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:50:00,379 INFO L93 Difference]: Finished difference Result 168 states and 208 transitions. [2023-12-02 13:50:00,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:50:00,380 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 82 [2023-12-02 13:50:00,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:50:00,381 INFO L225 Difference]: With dead ends: 168 [2023-12-02 13:50:00,381 INFO L226 Difference]: Without dead ends: 164 [2023-12-02 13:50:00,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-02 13:50:00,382 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 47 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:50:00,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 105 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 13:50:00,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-12-02 13:50:00,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2023-12-02 13:50:00,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 126 states have (on average 1.2301587301587302) internal successors, (155), 137 states have internal predecessors, (155), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 13:50:00,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 203 transitions. [2023-12-02 13:50:00,413 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 203 transitions. Word has length 82 [2023-12-02 13:50:00,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:50:00,413 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 203 transitions. [2023-12-02 13:50:00,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-02 13:50:00,413 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 203 transitions. [2023-12-02 13:50:00,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 13:50:00,414 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:50:00,414 INFO L195 NwaCegarLoop]: trace histogram [11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:50:00,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-12-02 13:50:00,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:50:00,615 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:50:00,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:50:00,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1171601973, now seen corresponding path program 2 times [2023-12-02 13:50:00,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:50:00,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694968555] [2023-12-02 13:50:00,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:50:00,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:50:00,625 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:50:00,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1713880859] [2023-12-02 13:50:00,626 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 13:50:00,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:50:00,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:50:00,627 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:50:00,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-12-02 13:50:00,693 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-12-02 13:50:00,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 13:50:00,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 13:50:00,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:50:02,274 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-12-02 13:50:02,274 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:50:03,135 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:50:03,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694968555] [2023-12-02 13:50:03,135 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:50:03,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713880859] [2023-12-02 13:50:03,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713880859] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:50:03,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [454500780] [2023-12-02 13:50:03,137 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2023-12-02 13:50:03,137 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:50:03,138 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:50:03,138 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:50:03,138 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:50:05,374 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2023-12-02 13:50:05,375 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2023-12-02 13:50:05,376 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:50:23,202 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '10153#(and (<= 1 |#StackHeapBarrier|) (<= 0 (+ 9223372036854775808 |ULTIMATE.start_main_~q~0#1|)) (<= (+ (* |ULTIMATE.start_main_~q~0#1| (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) 9223372036854775809) 0) (<= 0 |ULTIMATE.start_main_~r~0#1|) (<= (+ |ULTIMATE.start_main_~d~0#1| |ULTIMATE.start_main_~r~0#1|) 9223372036854775807) (exists ((|v_ULTIMATE.start_main_~p~0#1_105| Int)) (and (or (and (<= (+ |v_ULTIMATE.start_main_~p~0#1_105| 1) 0) (= |ULTIMATE.start_main_~p~0#1| (+ (div |v_ULTIMATE.start_main_~p~0#1_105| 2) 1)) (not (= (mod |v_ULTIMATE.start_main_~p~0#1_105| 2) 0))) (and (or (= (mod |v_ULTIMATE.start_main_~p~0#1_105| 2) 0) (< 0 (+ |v_ULTIMATE.start_main_~p~0#1_105| 1))) (= |ULTIMATE.start_main_~p~0#1| (div |v_ULTIMATE.start_main_~p~0#1_105| 2)))) (or (< 0 (+ 9223372036854775809 (div |v_ULTIMATE.start_main_~p~0#1_105| 2))) (and (= 0 (+ 9223372036854775809 (div |v_ULTIMATE.start_main_~p~0#1_105| 2))) (not (= (mod |v_ULTIMATE.start_main_~p~0#1_105| 2) 0)))) (<= (div |v_ULTIMATE.start_main_~p~0#1_105| 2) 9223372036854775807))) (<= 0 (+ 9223372036854775808 |ULTIMATE.start_main_~d~0#1| |ULTIMATE.start_main_~r~0#1|)) (<= |ULTIMATE.start_main_~r~0#1| 9223372036854775807))' at error location [2023-12-02 13:50:23,202 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 13:50:23,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:50:23,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2023-12-02 13:50:23,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807025082] [2023-12-02 13:50:23,203 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-02 13:50:23,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 13:50:23,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:50:23,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 13:50:23,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=1543, Unknown=5, NotChecked=0, Total=1806 [2023-12-02 13:50:23,204 INFO L87 Difference]: Start difference. First operand 164 states and 203 transitions. Second operand has 9 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) [2023-12-02 13:50:24,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:50:24,966 INFO L93 Difference]: Finished difference Result 217 states and 265 transitions. [2023-12-02 13:50:24,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 13:50:24,966 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) Word has length 84 [2023-12-02 13:50:24,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:50:24,968 INFO L225 Difference]: With dead ends: 217 [2023-12-02 13:50:24,968 INFO L226 Difference]: Without dead ends: 216 [2023-12-02 13:50:24,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 809 ImplicationChecksByTransitivity, 19.4s TimeCoverageRelationStatistics Valid=276, Invalid=1699, Unknown=5, NotChecked=0, Total=1980 [2023-12-02 13:50:24,969 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 100 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:50:24,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 208 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-02 13:50:24,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2023-12-02 13:50:24,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 164. [2023-12-02 13:50:24,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 126 states have (on average 1.2222222222222223) internal successors, (154), 137 states have internal predecessors, (154), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 13:50:25,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 202 transitions. [2023-12-02 13:50:25,000 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 202 transitions. Word has length 84 [2023-12-02 13:50:25,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:50:25,000 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 202 transitions. [2023-12-02 13:50:25,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 5.428571428571429) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) [2023-12-02 13:50:25,000 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 202 transitions. [2023-12-02 13:50:25,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 13:50:25,001 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:50:25,001 INFO L195 NwaCegarLoop]: trace histogram [11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:50:25,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2023-12-02 13:50:25,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-12-02 13:50:25,202 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:50:25,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:50:25,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1959922876, now seen corresponding path program 2 times [2023-12-02 13:50:25,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:50:25,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023660129] [2023-12-02 13:50:25,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:50:25,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:50:25,209 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:50:25,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [697255128] [2023-12-02 13:50:25,210 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 13:50:25,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:50:25,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:50:25,211 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:50:25,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-12-02 13:50:25,271 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-12-02 13:50:25,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 13:50:25,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 13:50:25,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:50:40,654 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-12-02 13:50:40,655 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:50:52,057 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:50:52,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023660129] [2023-12-02 13:50:52,058 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:50:52,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697255128] [2023-12-02 13:50:52,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697255128] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:50:52,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1877006819] [2023-12-02 13:50:52,060 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2023-12-02 13:50:52,060 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:50:52,060 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:50:52,060 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:50:52,060 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:50:54,262 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2023-12-02 13:50:54,263 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2023-12-02 13:50:54,264 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:51:11,342 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '10964#(and (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~q~0#1| 9223372036854775807) (<= 9223372036854775808 (* |ULTIMATE.start_main_~q~0#1| (mod |ULTIMATE.start_main_~B~0#1| 4294967296))))' at error location [2023-12-02 13:51:11,342 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 13:51:11,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:51:11,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2023-12-02 13:51:11,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736219865] [2023-12-02 13:51:11,343 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-02 13:51:11,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 13:51:11,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:51:11,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 13:51:11,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=337, Invalid=2313, Unknown=2, NotChecked=0, Total=2652 [2023-12-02 13:51:11,346 INFO L87 Difference]: Start difference. First operand 164 states and 202 transitions. Second operand has 14 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 13 states have internal predecessors, (42), 4 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) [2023-12-02 13:51:14,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:51:18,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 13:51:20,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 13:51:22,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 13:51:24,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 13:51:33,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:51:35,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:51:42,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:51:42,368 INFO L93 Difference]: Finished difference Result 218 states and 265 transitions. [2023-12-02 13:51:42,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 13:51:42,369 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 13 states have internal predecessors, (42), 4 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) Word has length 85 [2023-12-02 13:51:42,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:51:42,370 INFO L225 Difference]: With dead ends: 218 [2023-12-02 13:51:42,370 INFO L226 Difference]: Without dead ends: 217 [2023-12-02 13:51:42,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1350 ImplicationChecksByTransitivity, 42.2s TimeCoverageRelationStatistics Valid=496, Invalid=3282, Unknown=4, NotChecked=0, Total=3782 [2023-12-02 13:51:42,373 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 151 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 22 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:51:42,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 157 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 436 Invalid, 7 Unknown, 0 Unchecked, 17.1s Time] [2023-12-02 13:51:42,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-12-02 13:51:42,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 164. [2023-12-02 13:51:42,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 126 states have (on average 1.2142857142857142) internal successors, (153), 137 states have internal predecessors, (153), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 13:51:42,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 201 transitions. [2023-12-02 13:51:42,421 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 201 transitions. Word has length 85 [2023-12-02 13:51:42,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:51:42,421 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 201 transitions. [2023-12-02 13:51:42,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 13 states have internal predecessors, (42), 4 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) [2023-12-02 13:51:42,422 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 201 transitions. [2023-12-02 13:51:42,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 13:51:42,422 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:51:42,423 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:51:42,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2023-12-02 13:51:42,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-12-02 13:51:42,623 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:51:42,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:51:42,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1756906553, now seen corresponding path program 1 times [2023-12-02 13:51:42,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:51:42,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253515601] [2023-12-02 13:51:42,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:51:42,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:51:42,633 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:51:42,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [14602773] [2023-12-02 13:51:42,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:51:42,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:51:42,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:51:42,635 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:51:42,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-12-02 13:51:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:51:42,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 13:51:42,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:51:42,748 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-12-02 13:51:42,748 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:51:42,833 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-12-02 13:51:42,833 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:51:42,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253515601] [2023-12-02 13:51:42,834 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:51:42,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14602773] [2023-12-02 13:51:42,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14602773] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:51:42,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2044844872] [2023-12-02 13:51:42,836 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2023-12-02 13:51:42,836 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:51:42,836 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:51:42,836 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:51:42,836 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:51:45,008 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2023-12-02 13:51:45,009 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2023-12-02 13:51:45,010 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:51:58,841 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '11993#(and (<= 1 |#StackHeapBarrier|) (exists ((|v_ULTIMATE.start_main_~p~0#1_130| Int)) (and (or (< (div |v_ULTIMATE.start_main_~p~0#1_130| 2) 9223372036854775807) (= (div |v_ULTIMATE.start_main_~p~0#1_130| 2) 9223372036854775807)) (or (and (not (= (mod |v_ULTIMATE.start_main_~p~0#1_130| 2) 0)) (= |ULTIMATE.start_main_~p~0#1| (+ (div |v_ULTIMATE.start_main_~p~0#1_130| 2) 1)) (<= (+ |v_ULTIMATE.start_main_~p~0#1_130| 1) 0)) (and (or (= (mod |v_ULTIMATE.start_main_~p~0#1_130| 2) 0) (< 0 (+ |v_ULTIMATE.start_main_~p~0#1_130| 1))) (= (div |v_ULTIMATE.start_main_~p~0#1_130| 2) |ULTIMATE.start_main_~p~0#1|))) (or (and (not (= (mod |v_ULTIMATE.start_main_~p~0#1_130| 2) 0)) (= (+ (div |v_ULTIMATE.start_main_~p~0#1_130| 2) 9223372036854775809) 0)) (< 0 (+ (div |v_ULTIMATE.start_main_~p~0#1_130| 2) 9223372036854775809))))) (<= 0 (+ 9223372036854775808 |ULTIMATE.start_main_~r~0#1|)) (<= (+ 9223372036854775808 |ULTIMATE.start_main_~d~0#1|) |ULTIMATE.start_main_~r~0#1|) (<= |ULTIMATE.start_main_~r~0#1| 9223372036854775807))' at error location [2023-12-02 13:51:58,841 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 13:51:58,841 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 13:51:58,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2023-12-02 13:51:58,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979734165] [2023-12-02 13:51:58,842 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 13:51:58,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:51:58,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:51:58,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:51:58,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=1063, Unknown=2, NotChecked=0, Total=1260 [2023-12-02 13:51:58,844 INFO L87 Difference]: Start difference. First operand 164 states and 201 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2023-12-02 13:51:58,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:51:58,938 INFO L93 Difference]: Finished difference Result 184 states and 212 transitions. [2023-12-02 13:51:58,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:51:58,938 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 86 [2023-12-02 13:51:58,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:51:58,939 INFO L225 Difference]: With dead ends: 184 [2023-12-02 13:51:58,939 INFO L226 Difference]: Without dead ends: 113 [2023-12-02 13:51:58,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 390 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=195, Invalid=1063, Unknown=2, NotChecked=0, Total=1260 [2023-12-02 13:51:58,941 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 14 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:51:58,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 151 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:51:58,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-12-02 13:51:58,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 109. [2023-12-02 13:51:58,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 77 states have (on average 1.2207792207792207) internal successors, (94), 88 states have internal predecessors, (94), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-02 13:51:58,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 130 transitions. [2023-12-02 13:51:58,976 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 130 transitions. Word has length 86 [2023-12-02 13:51:58,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:51:58,976 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 130 transitions. [2023-12-02 13:51:58,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2023-12-02 13:51:58,976 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2023-12-02 13:51:58,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 13:51:58,977 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:51:58,977 INFO L195 NwaCegarLoop]: trace histogram [11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:51:58,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2023-12-02 13:51:59,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:51:59,178 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:51:59,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:51:59,178 INFO L85 PathProgramCache]: Analyzing trace with hash -2004756450, now seen corresponding path program 2 times [2023-12-02 13:51:59,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:51:59,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033192834] [2023-12-02 13:51:59,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:51:59,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:51:59,185 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:51:59,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1441319087] [2023-12-02 13:51:59,185 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 13:51:59,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:51:59,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:51:59,186 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:51:59,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-12-02 13:51:59,232 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-12-02 13:51:59,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 13:51:59,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 13:51:59,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:52:15,999 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-12-02 13:52:15,999 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:52:19,382 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:52:19,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033192834] [2023-12-02 13:52:19,382 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:52:19,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441319087] [2023-12-02 13:52:19,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441319087] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:52:19,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1449674859] [2023-12-02 13:52:19,384 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2023-12-02 13:52:19,384 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:52:19,384 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:52:19,384 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:52:19,384 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:52:21,491 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2023-12-02 13:52:21,492 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2023-12-02 13:52:21,493 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:52:37,797 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '12707#(and (<= 1 |#StackHeapBarrier|) (<= 0 (+ 9223372036854775808 |ULTIMATE.start_main_~q~0#1|)) (<= |ULTIMATE.start_main_~q~0#1| 9223372036854775807) (<= (* |ULTIMATE.start_main_~q~0#1| (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) 9223372036854775807) (<= 9223372036854775808 (+ (* |ULTIMATE.start_main_~q~0#1| (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) |ULTIMATE.start_main_~r~0#1|)))' at error location [2023-12-02 13:52:37,797 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 13:52:37,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:52:37,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2023-12-02 13:52:37,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033059154] [2023-12-02 13:52:37,798 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-02 13:52:37,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 13:52:37,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:52:37,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 13:52:37,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=2187, Unknown=3, NotChecked=0, Total=2450 [2023-12-02 13:52:37,800 INFO L87 Difference]: Start difference. First operand 109 states and 130 transitions. Second operand has 13 states, 10 states have (on average 4.4) internal successors, (44), 13 states have internal predecessors, (44), 4 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2023-12-02 13:52:40,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 13:52:44,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 13:52:46,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 13:52:48,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 13:52:50,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 13:52:54,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 13:52:57,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 13:53:01,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 13:53:04,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:53:04,453 INFO L93 Difference]: Finished difference Result 112 states and 133 transitions. [2023-12-02 13:53:04,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 13:53:04,453 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 4.4) internal successors, (44), 13 states have internal predecessors, (44), 4 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 87 [2023-12-02 13:53:04,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:53:04,456 INFO L225 Difference]: With dead ends: 112 [2023-12-02 13:53:04,456 INFO L226 Difference]: Without dead ends: 111 [2023-12-02 13:53:04,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1114 ImplicationChecksByTransitivity, 34.1s TimeCoverageRelationStatistics Valid=328, Invalid=2861, Unknown=3, NotChecked=0, Total=3192 [2023-12-02 13:53:04,458 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 109 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 24 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:53:04,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 130 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 358 Invalid, 8 Unknown, 0 Unchecked, 17.3s Time] [2023-12-02 13:53:04,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-12-02 13:53:04,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 109. [2023-12-02 13:53:04,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 77 states have (on average 1.2077922077922079) internal successors, (93), 88 states have internal predecessors, (93), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-02 13:53:04,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 129 transitions. [2023-12-02 13:53:04,495 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 129 transitions. Word has length 87 [2023-12-02 13:53:04,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:53:04,496 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 129 transitions. [2023-12-02 13:53:04,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 4.4) internal successors, (44), 13 states have internal predecessors, (44), 4 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2023-12-02 13:53:04,496 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 129 transitions. [2023-12-02 13:53:04,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-02 13:53:04,497 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:53:04,497 INFO L195 NwaCegarLoop]: trace histogram [12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:53:04,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2023-12-02 13:53:04,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:53:04,697 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:53:04,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:53:04,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1940749850, now seen corresponding path program 2 times [2023-12-02 13:53:04,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:53:04,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018210925] [2023-12-02 13:53:04,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:53:04,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:53:04,707 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:53:04,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1219398013] [2023-12-02 13:53:04,707 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 13:53:04,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:53:04,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:53:04,708 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:53:04,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-12-02 13:53:04,753 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-12-02 13:53:04,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 13:53:04,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 13:53:04,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:53:05,404 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-12-02 13:53:05,404 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:53:08,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:53:08,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018210925] [2023-12-02 13:53:08,515 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:53:08,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219398013] [2023-12-02 13:53:08,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219398013] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:53:08,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1213051531] [2023-12-02 13:53:08,517 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2023-12-02 13:53:08,517 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:53:08,517 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:53:08,517 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:53:08,517 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:53:10,520 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2023-12-02 13:53:10,521 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2023-12-02 13:53:10,522 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:53:17,054 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '13382#(and (<= 1 |#StackHeapBarrier|) (<= 0 (+ 9223372036854775808 |ULTIMATE.start_main_~q~0#1|)) (<= |ULTIMATE.start_main_~q~0#1| 9223372036854775807) (<= 9223372036854775808 (* |ULTIMATE.start_main_~p~0#1| (mod |ULTIMATE.start_main_~B~0#1| 4294967296))))' at error location [2023-12-02 13:53:17,054 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 13:53:17,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:53:17,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2023-12-02 13:53:17,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980626835] [2023-12-02 13:53:17,054 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-02 13:53:17,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 13:53:17,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:53:17,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 13:53:17,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=1980, Unknown=0, NotChecked=0, Total=2256 [2023-12-02 13:53:17,057 INFO L87 Difference]: Start difference. First operand 109 states and 129 transitions. Second operand has 12 states, 9 states have (on average 5.333333333333333) internal successors, (48), 11 states have internal predecessors, (48), 5 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2023-12-02 13:53:20,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:53:20,312 INFO L93 Difference]: Finished difference Result 119 states and 139 transitions. [2023-12-02 13:53:20,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 13:53:20,313 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 5.333333333333333) internal successors, (48), 11 states have internal predecessors, (48), 5 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 92 [2023-12-02 13:53:20,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:53:20,314 INFO L225 Difference]: With dead ends: 119 [2023-12-02 13:53:20,314 INFO L226 Difference]: Without dead ends: 117 [2023-12-02 13:53:20,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1067 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=347, Invalid=2623, Unknown=0, NotChecked=0, Total=2970 [2023-12-02 13:53:20,315 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 118 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:53:20,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 197 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-02 13:53:20,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-12-02 13:53:20,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 107. [2023-12-02 13:53:20,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 77 states have (on average 1.1688311688311688) internal successors, (90), 86 states have internal predecessors, (90), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-02 13:53:20,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 126 transitions. [2023-12-02 13:53:20,341 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 126 transitions. Word has length 92 [2023-12-02 13:53:20,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:53:20,341 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 126 transitions. [2023-12-02 13:53:20,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 5.333333333333333) internal successors, (48), 11 states have internal predecessors, (48), 5 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2023-12-02 13:53:20,341 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 126 transitions. [2023-12-02 13:53:20,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 13:53:20,342 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:53:20,342 INFO L195 NwaCegarLoop]: trace histogram [13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:53:20,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2023-12-02 13:53:20,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:53:20,543 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:53:20,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:53:20,543 INFO L85 PathProgramCache]: Analyzing trace with hash 455815968, now seen corresponding path program 1 times [2023-12-02 13:53:20,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:53:20,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183997066] [2023-12-02 13:53:20,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:53:20,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:53:20,552 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:53:20,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [326021034] [2023-12-02 13:53:20,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:53:20,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:53:20,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:53:20,554 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:53:20,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-12-02 13:53:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:53:20,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 13:53:20,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:53:20,677 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 13:53:20,677 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:53:20,775 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 13:53:20,775 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:53:20,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183997066] [2023-12-02 13:53:20,775 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:53:20,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326021034] [2023-12-02 13:53:20,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326021034] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:53:20,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1655858857] [2023-12-02 13:53:20,777 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2023-12-02 13:53:20,777 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:53:20,777 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:53:20,777 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:53:20,777 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:53:22,917 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2023-12-02 13:53:22,917 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2023-12-02 13:53:22,918 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:53:29,667 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '14294#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~p~0#1| 1) (<= 0 (+ 9223372036854775808 |ULTIMATE.start_main_~q~0#1|)) (<= |ULTIMATE.start_main_~q~0#1| 9223372036854775807) (<= 9223372036854775808 (* |ULTIMATE.start_main_~d~0#1| |ULTIMATE.start_main_~q~0#1|)))' at error location [2023-12-02 13:53:29,668 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 13:53:29,668 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 13:53:29,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2023-12-02 13:53:29,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112270291] [2023-12-02 13:53:29,668 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 13:53:29,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:53:29,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:53:29,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:53:29,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=1188, Unknown=2, NotChecked=0, Total=1406 [2023-12-02 13:53:29,671 INFO L87 Difference]: Start difference. First operand 107 states and 126 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2023-12-02 13:53:29,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:53:29,761 INFO L93 Difference]: Finished difference Result 116 states and 134 transitions. [2023-12-02 13:53:29,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 13:53:29,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 98 [2023-12-02 13:53:29,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:53:29,762 INFO L225 Difference]: With dead ends: 116 [2023-12-02 13:53:29,762 INFO L226 Difference]: Without dead ends: 110 [2023-12-02 13:53:29,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 252 SyntacticMatches, 4 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=216, Invalid=1188, Unknown=2, NotChecked=0, Total=1406 [2023-12-02 13:53:29,763 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 41 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:53:29,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 136 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:53:29,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-12-02 13:53:29,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 106. [2023-12-02 13:53:29,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 85 states have internal predecessors, (88), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-02 13:53:29,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 124 transitions. [2023-12-02 13:53:29,786 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 124 transitions. Word has length 98 [2023-12-02 13:53:29,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:53:29,786 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 124 transitions. [2023-12-02 13:53:29,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2023-12-02 13:53:29,787 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions. [2023-12-02 13:53:29,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 13:53:29,787 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:53:29,787 INFO L195 NwaCegarLoop]: trace histogram [13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:53:29,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2023-12-02 13:53:29,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:53:29,988 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:53:29,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:53:29,988 INFO L85 PathProgramCache]: Analyzing trace with hash 455817090, now seen corresponding path program 1 times [2023-12-02 13:53:29,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:53:29,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127425294] [2023-12-02 13:53:29,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:53:29,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:53:29,996 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:53:29,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1919945401] [2023-12-02 13:53:29,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:53:29,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:53:29,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:53:29,998 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:53:30,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-12-02 13:53:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:53:30,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 13:53:30,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:53:30,220 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-12-02 13:53:30,220 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:53:30,432 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-12-02 13:53:30,433 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:53:30,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127425294] [2023-12-02 13:53:30,433 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:53:30,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919945401] [2023-12-02 13:53:30,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919945401] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:53:30,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [380547078] [2023-12-02 13:53:30,434 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2023-12-02 13:53:30,434 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:53:30,434 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:53:30,435 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:53:30,435 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:53:32,575 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2023-12-02 13:53:32,576 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2023-12-02 13:53:32,576 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:53:37,790 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '15197#(and (<= 9223372036854775808 (div |ULTIMATE.start_main_~d~0#1| 2)) (<= 1 |#StackHeapBarrier|) (<= 0 (+ 9223372036854775808 |ULTIMATE.start_main_~q~0#1|)) (<= |ULTIMATE.start_main_~q~0#1| 9223372036854775807))' at error location [2023-12-02 13:53:37,790 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 13:53:37,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 13:53:37,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-12-02 13:53:37,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485232843] [2023-12-02 13:53:37,791 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 13:53:37,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 13:53:37,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:53:37,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 13:53:37,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=1526, Unknown=0, NotChecked=0, Total=1806 [2023-12-02 13:53:37,793 INFO L87 Difference]: Start difference. First operand 106 states and 124 transitions. Second operand has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 9 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 9 states have call predecessors, (23), 9 states have call successors, (23) [2023-12-02 13:53:38,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:53:38,736 INFO L93 Difference]: Finished difference Result 133 states and 156 transitions. [2023-12-02 13:53:38,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 13:53:38,736 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 9 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 9 states have call predecessors, (23), 9 states have call successors, (23) Word has length 98 [2023-12-02 13:53:38,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:53:38,737 INFO L225 Difference]: With dead ends: 133 [2023-12-02 13:53:38,737 INFO L226 Difference]: Without dead ends: 132 [2023-12-02 13:53:38,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 868 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=354, Invalid=1998, Unknown=0, NotChecked=0, Total=2352 [2023-12-02 13:53:38,738 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 169 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:53:38,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 280 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-02 13:53:38,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2023-12-02 13:53:38,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 105. [2023-12-02 13:53:38,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 76 states have (on average 1.144736842105263) internal successors, (87), 84 states have internal predecessors, (87), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-02 13:53:38,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 123 transitions. [2023-12-02 13:53:38,762 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 123 transitions. Word has length 98 [2023-12-02 13:53:38,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:53:38,762 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 123 transitions. [2023-12-02 13:53:38,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.545454545454545) internal successors, (94), 12 states have internal predecessors, (94), 9 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 9 states have call predecessors, (23), 9 states have call successors, (23) [2023-12-02 13:53:38,762 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 123 transitions. [2023-12-02 13:53:38,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-02 13:53:38,763 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:53:38,763 INFO L195 NwaCegarLoop]: trace histogram [13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:53:38,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2023-12-02 13:53:38,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-12-02 13:53:38,963 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:53:38,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:53:38,964 INFO L85 PathProgramCache]: Analyzing trace with hash -438080247, now seen corresponding path program 2 times [2023-12-02 13:53:38,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:53:38,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870603094] [2023-12-02 13:53:38,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:53:38,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:53:38,973 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:53:38,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [295626786] [2023-12-02 13:53:38,973 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 13:53:38,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:53:38,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:53:38,974 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:53:38,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2023-12-02 13:53:39,049 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-12-02 13:53:39,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 13:53:39,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 13:53:39,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:53:39,272 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 26 proven. 18 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2023-12-02 13:53:39,272 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:53:40,721 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-02 13:53:40,721 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:53:40,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870603094] [2023-12-02 13:53:40,721 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:53:40,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295626786] [2023-12-02 13:53:40,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295626786] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:53:40,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [200649753] [2023-12-02 13:53:40,723 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2023-12-02 13:53:40,723 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:53:40,724 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:53:40,724 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:53:40,724 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:53:42,930 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2023-12-02 13:53:42,931 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2023-12-02 13:53:42,932 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:53:48,115 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '16162#(and (<= 1 |#StackHeapBarrier|) (exists ((|v_ULTIMATE.start_main_~p~0#1_187| Int)) (and (or (< 0 (+ 9223372036854775809 (div |v_ULTIMATE.start_main_~p~0#1_187| 2))) (and (= (+ 9223372036854775809 (div |v_ULTIMATE.start_main_~p~0#1_187| 2)) 0) (not (= (mod |v_ULTIMATE.start_main_~p~0#1_187| 2) 0)))) (<= (div |v_ULTIMATE.start_main_~p~0#1_187| 2) 9223372036854775807) (or (and (or (= (mod |v_ULTIMATE.start_main_~p~0#1_187| 2) 0) (< 0 (+ |v_ULTIMATE.start_main_~p~0#1_187| 1))) (= |ULTIMATE.start_main_~p~0#1| (div |v_ULTIMATE.start_main_~p~0#1_187| 2))) (and (= (+ 1 (div |v_ULTIMATE.start_main_~p~0#1_187| 2)) |ULTIMATE.start_main_~p~0#1|) (not (= (mod |v_ULTIMATE.start_main_~p~0#1_187| 2) 0)) (<= (+ |v_ULTIMATE.start_main_~p~0#1_187| 1) 0))))) (<= 0 (+ 9223372036854775808 |ULTIMATE.start_main_~r~0#1|)) (<= (+ 9223372036854775808 |ULTIMATE.start_main_~d~0#1|) |ULTIMATE.start_main_~r~0#1|) (<= |ULTIMATE.start_main_~r~0#1| 9223372036854775807))' at error location [2023-12-02 13:53:48,115 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 13:53:48,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 13:53:48,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2023-12-02 13:53:48,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753151773] [2023-12-02 13:53:48,115 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 13:53:48,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-02 13:53:48,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:53:48,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-02 13:53:48,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=1816, Unknown=0, NotChecked=0, Total=2070 [2023-12-02 13:53:48,117 INFO L87 Difference]: Start difference. First operand 105 states and 123 transitions. Second operand has 15 states, 13 states have (on average 8.615384615384615) internal successors, (112), 14 states have internal predecessors, (112), 10 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (32), 11 states have call predecessors, (32), 10 states have call successors, (32) [2023-12-02 13:53:49,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:53:49,863 INFO L93 Difference]: Finished difference Result 296 states and 339 transitions. [2023-12-02 13:53:49,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 13:53:49,863 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 8.615384615384615) internal successors, (112), 14 states have internal predecessors, (112), 10 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (32), 11 states have call predecessors, (32), 10 states have call successors, (32) Word has length 103 [2023-12-02 13:53:49,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:53:49,865 INFO L225 Difference]: With dead ends: 296 [2023-12-02 13:53:49,865 INFO L226 Difference]: Without dead ends: 217 [2023-12-02 13:53:49,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 262 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1118 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=372, Invalid=2598, Unknown=0, NotChecked=0, Total=2970 [2023-12-02 13:53:49,867 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 554 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:53:49,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [556 Valid, 315 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 13:53:49,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-12-02 13:53:49,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 149. [2023-12-02 13:53:49,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 116 states have (on average 1.1637931034482758) internal successors, (135), 124 states have internal predecessors, (135), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-02 13:53:49,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 179 transitions. [2023-12-02 13:53:49,900 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 179 transitions. Word has length 103 [2023-12-02 13:53:49,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:53:49,900 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 179 transitions. [2023-12-02 13:53:49,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 8.615384615384615) internal successors, (112), 14 states have internal predecessors, (112), 10 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (32), 11 states have call predecessors, (32), 10 states have call successors, (32) [2023-12-02 13:53:49,900 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 179 transitions. [2023-12-02 13:53:49,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-02 13:53:49,901 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:53:49,901 INFO L195 NwaCegarLoop]: trace histogram [15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:53:49,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2023-12-02 13:53:50,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-12-02 13:53:50,102 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:53:50,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:53:50,102 INFO L85 PathProgramCache]: Analyzing trace with hash 627876191, now seen corresponding path program 1 times [2023-12-02 13:53:50,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:53:50,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485059373] [2023-12-02 13:53:50,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:53:50,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:53:50,111 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:53:50,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [660887924] [2023-12-02 13:53:50,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:53:50,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:53:50,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:53:50,112 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:53:50,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2023-12-02 13:53:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:53:50,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 13:53:50,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:53:50,922 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 25 proven. 37 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2023-12-02 13:53:50,922 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:54:05,465 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:54:05,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485059373] [2023-12-02 13:54:05,465 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:54:05,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660887924] [2023-12-02 13:54:05,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660887924] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:54:05,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [34131636] [2023-12-02 13:54:05,466 INFO L159 IcfgInterpreter]: Started Sifa with 42 locations of interest [2023-12-02 13:54:05,466 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:54:05,466 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:54:05,466 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:54:05,467 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:54:07,548 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2023-12-02 13:54:07,549 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2023-12-02 13:54:07,550 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:54:32,090 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '17253#(and (<= (+ 9223372036854775809 (* |ULTIMATE.start_main_~d~0#1| |ULTIMATE.start_main_~q~0#1|)) 0) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~p~0#1| 1) (= |ULTIMATE.start_main_~d~0#1| (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) (= (+ (* |ULTIMATE.start_main_~q~0#1| (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) |ULTIMATE.start_main_~r~0#1|) (mod |ULTIMATE.start_main_~A~0#1| 4294967296)))' at error location [2023-12-02 13:54:32,091 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 13:54:32,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:54:32,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2023-12-02 13:54:32,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870883240] [2023-12-02 13:54:32,091 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-02 13:54:32,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-02 13:54:32,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:54:32,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-02 13:54:32,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=471, Invalid=2944, Unknown=7, NotChecked=0, Total=3422 [2023-12-02 13:54:32,094 INFO L87 Difference]: Start difference. First operand 149 states and 179 transitions. Second operand has 18 states, 16 states have (on average 4.0625) internal successors, (65), 18 states have internal predecessors, (65), 8 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 7 states have call predecessors, (18), 8 states have call successors, (18) [2023-12-02 13:54:33,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:54:33,130 INFO L93 Difference]: Finished difference Result 186 states and 223 transitions. [2023-12-02 13:54:33,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 13:54:33,131 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 4.0625) internal successors, (65), 18 states have internal predecessors, (65), 8 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 7 states have call predecessors, (18), 8 states have call successors, (18) Word has length 116 [2023-12-02 13:54:33,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:54:33,132 INFO L225 Difference]: With dead ends: 186 [2023-12-02 13:54:33,132 INFO L226 Difference]: Without dead ends: 184 [2023-12-02 13:54:33,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1949 ImplicationChecksByTransitivity, 29.1s TimeCoverageRelationStatistics Valid=752, Invalid=4643, Unknown=7, NotChecked=0, Total=5402 [2023-12-02 13:54:33,133 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 152 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 885 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:54:33,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 356 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 885 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-02 13:54:33,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-12-02 13:54:33,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 177. [2023-12-02 13:54:33,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 140 states have (on average 1.1642857142857144) internal successors, (163), 148 states have internal predecessors, (163), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 13:54:33,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 215 transitions. [2023-12-02 13:54:33,169 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 215 transitions. Word has length 116 [2023-12-02 13:54:33,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:54:33,169 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 215 transitions. [2023-12-02 13:54:33,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 4.0625) internal successors, (65), 18 states have internal predecessors, (65), 8 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 7 states have call predecessors, (18), 8 states have call successors, (18) [2023-12-02 13:54:33,169 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 215 transitions. [2023-12-02 13:54:33,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-02 13:54:33,170 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:54:33,170 INFO L195 NwaCegarLoop]: trace histogram [15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:54:33,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2023-12-02 13:54:33,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-12-02 13:54:33,370 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:54:33,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:54:33,371 INFO L85 PathProgramCache]: Analyzing trace with hash -2010674434, now seen corresponding path program 1 times [2023-12-02 13:54:33,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:54:33,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848263537] [2023-12-02 13:54:33,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:54:33,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:54:33,379 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:54:33,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1573845040] [2023-12-02 13:54:33,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:54:33,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:54:33,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:54:33,381 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:54:33,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2023-12-02 13:54:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:54:33,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 13:54:33,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:54:34,160 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2023-12-02 13:54:34,160 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:54:36,622 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:54:36,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848263537] [2023-12-02 13:54:36,622 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:54:36,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573845040] [2023-12-02 13:54:36,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1573845040] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:54:36,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1064764305] [2023-12-02 13:54:36,624 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2023-12-02 13:54:36,624 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:54:36,624 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:54:36,624 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:54:36,624 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:54:38,755 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2023-12-02 13:54:38,756 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2023-12-02 13:54:38,757 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:54:59,767 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '18270#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~p~0#1| 1) (= |ULTIMATE.start_main_~d~0#1| (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) (= (+ (* |ULTIMATE.start_main_~q~0#1| (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) |ULTIMATE.start_main_~r~0#1|) (mod |ULTIMATE.start_main_~A~0#1| 4294967296)) (<= 9223372036854775808 (* |ULTIMATE.start_main_~d~0#1| |ULTIMATE.start_main_~q~0#1|)))' at error location [2023-12-02 13:54:59,767 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 13:54:59,767 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:54:59,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2023-12-02 13:54:59,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591685603] [2023-12-02 13:54:59,768 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-02 13:54:59,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-02 13:54:59,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:54:59,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-02 13:54:59,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=510, Invalid=3143, Unknown=7, NotChecked=0, Total=3660 [2023-12-02 13:54:59,769 INFO L87 Difference]: Start difference. First operand 177 states and 215 transitions. Second operand has 18 states, 16 states have (on average 4.125) internal successors, (66), 18 states have internal predecessors, (66), 8 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 7 states have call predecessors, (18), 8 states have call successors, (18) [2023-12-02 13:55:00,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:55:00,535 INFO L93 Difference]: Finished difference Result 184 states and 221 transitions. [2023-12-02 13:55:00,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 13:55:00,535 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 4.125) internal successors, (66), 18 states have internal predecessors, (66), 8 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 7 states have call predecessors, (18), 8 states have call successors, (18) Word has length 117 [2023-12-02 13:55:00,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:55:00,536 INFO L225 Difference]: With dead ends: 184 [2023-12-02 13:55:00,537 INFO L226 Difference]: Without dead ends: 88 [2023-12-02 13:55:00,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1859 ImplicationChecksByTransitivity, 22.5s TimeCoverageRelationStatistics Valid=711, Invalid=4684, Unknown=7, NotChecked=0, Total=5402 [2023-12-02 13:55:00,538 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 82 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:55:00,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 345 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 13:55:00,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-12-02 13:55:00,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-12-02 13:55:00,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 67 states have (on average 1.0) internal successors, (67), 67 states have internal predecessors, (67), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-02 13:55:00,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 103 transitions. [2023-12-02 13:55:00,567 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 103 transitions. Word has length 117 [2023-12-02 13:55:00,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:55:00,568 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 103 transitions. [2023-12-02 13:55:00,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 4.125) internal successors, (66), 18 states have internal predecessors, (66), 8 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 7 states have call predecessors, (18), 8 states have call successors, (18) [2023-12-02 13:55:00,568 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 103 transitions. [2023-12-02 13:55:00,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-02 13:55:00,568 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:55:00,569 INFO L195 NwaCegarLoop]: trace histogram [15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:55:00,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2023-12-02 13:55:00,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:55:00,769 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-12-02 13:55:00,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:55:00,769 INFO L85 PathProgramCache]: Analyzing trace with hash 477156192, now seen corresponding path program 1 times [2023-12-02 13:55:00,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:55:00,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317739264] [2023-12-02 13:55:00,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:55:00,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:55:00,777 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:55:00,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1941048278] [2023-12-02 13:55:00,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:55:00,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:55:00,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:55:00,782 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:55:00,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2023-12-02 13:55:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:55:00,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 13:55:00,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:55:01,189 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 18 proven. 37 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2023-12-02 13:55:01,189 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:55:01,234 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:55:01,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317739264] [2023-12-02 13:55:01,234 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 13:55:01,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941048278] [2023-12-02 13:55:01,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941048278] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:55:01,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [112218002] [2023-12-02 13:55:01,236 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2023-12-02 13:55:01,236 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:55:01,236 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:55:01,236 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:55:01,236 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:55:03,306 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2023-12-02 13:55:03,307 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2023-12-02 13:55:03,308 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 13:55:08,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [112218002] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:55:08,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:55:08,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [12] total 45 [2023-12-02 13:55:08,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496466279] [2023-12-02 13:55:08,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:55:08,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-12-02 13:55:08,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:55:08,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-12-02 13:55:08,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=2009, Unknown=0, NotChecked=0, Total=2256 [2023-12-02 13:55:08,579 INFO L87 Difference]: Start difference. First operand 88 states and 103 transitions. Second operand has 35 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-02 13:55:12,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:55:14,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:55:16,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:55:18,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:55:26,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:55:28,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:55:30,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:55:32,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:55:35,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:55:37,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:55:39,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:55:41,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:55:43,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:55:45,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:55:47,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:55:49,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:55:51,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:55:53,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:55:55,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:55:57,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:55:59,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:56:01,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:56:03,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:56:06,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:56:16,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:56:18,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:56:20,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:56:33,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:56:35,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:56:37,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:56:39,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:56:41,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:56:43,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:56:44,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:56:46,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:56:48,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:56:50,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:56:51,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:56:53,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:56:55,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:56:57,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:56:59,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:01,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:03,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:04,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:06,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:08,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:10,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:11,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:13,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:15,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:17,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:19,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:21,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:23,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:25,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:27,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:29,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:31,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:33,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:35,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:37,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:39,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:41,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:43,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:45,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:47,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:48,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:49,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:57:52,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-02 13:58:55,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:58:55,469 INFO L93 Difference]: Finished difference Result 88 states and 103 transitions. [2023-12-02 13:58:55,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-02 13:58:55,469 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Word has length 119 [2023-12-02 13:58:55,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:58:55,470 INFO L225 Difference]: With dead ends: 88 [2023-12-02 13:58:55,470 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 13:58:55,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 195 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1378 ImplicationChecksByTransitivity, 90.2s TimeCoverageRelationStatistics Valid=733, Invalid=3781, Unknown=42, NotChecked=0, Total=4556 [2023-12-02 13:58:55,471 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 294 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1052 mSolverCounterSat, 120 mSolverCounterUnsat, 73 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 141.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 1245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 1052 IncrementalHoareTripleChecker+Invalid, 73 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 142.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:58:55,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 78 Invalid, 1245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 1052 Invalid, 73 Unknown, 0 Unchecked, 142.0s Time] [2023-12-02 13:58:55,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 13:58:55,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 13:58:55,471 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) [2023-12-02 13:58:55,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 13:58:55,472 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 119 [2023-12-02 13:58:55,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:58:55,472 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 13:58:55,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-02 13:58:55,472 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 13:58:55,472 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 13:58:55,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2023-12-02 13:58:55,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2023-12-02 13:58:55,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2023-12-02 13:58:55,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2023-12-02 13:58:55,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2023-12-02 13:58:55,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2023-12-02 13:58:55,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2023-12-02 13:58:55,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2023-12-02 13:58:55,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2023-12-02 13:58:55,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2023-12-02 13:58:55,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2023-12-02 13:58:55,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2023-12-02 13:58:55,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2023-12-02 13:58:55,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2023-12-02 13:58:55,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2023-12-02 13:58:55,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2023-12-02 13:58:55,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2023-12-02 13:58:55,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2023-12-02 13:58:55,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2023-12-02 13:58:55,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2023-12-02 13:58:55,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2023-12-02 13:58:55,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2023-12-02 13:58:55,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2023-12-02 13:58:55,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2023-12-02 13:58:55,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2023-12-02 13:58:55,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2023-12-02 13:58:55,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 13:59:07,403 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2023-12-02 13:59:07,403 INFO L899 garLoopResultBuilder]: For program point L60(line 60) no Hoare annotation was computed. [2023-12-02 13:59:07,403 INFO L899 garLoopResultBuilder]: For program point L60-1(line 60) no Hoare annotation was computed. [2023-12-02 13:59:07,403 INFO L899 garLoopResultBuilder]: For program point L60-2(line 60) no Hoare annotation was computed. [2023-12-02 13:59:07,403 INFO L902 garLoopResultBuilder]: At program point L60-3(line 60) the Hoare annotation is: true [2023-12-02 13:59:07,403 INFO L902 garLoopResultBuilder]: At program point L60-4(line 60) the Hoare annotation is: true [2023-12-02 13:59:07,403 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2023-12-02 13:59:07,403 INFO L899 garLoopResultBuilder]: For program point L52-1(line 52) no Hoare annotation was computed. [2023-12-02 13:59:07,403 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2023-12-02 13:59:07,403 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-12-02 13:59:07,403 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) no Hoare annotation was computed. [2023-12-02 13:59:07,404 INFO L895 garLoopResultBuilder]: At program point L36-2(lines 36 44) the Hoare annotation is: (let ((.cse15 (select |#memory_int| 1))) (let ((.cse14 (<= (div |ULTIMATE.start_main_~d~0#1| 2) |ULTIMATE.start_main_~r~0#1|)) (.cse0 (= (select |#length| 3) 12)) (.cse1 (<= 1 |#StackHeapBarrier|)) (.cse2 (= 2 (select |#length| 1))) (.cse3 (= (select |#valid| 3) 1)) (.cse5 (<= |ULTIMATE.start_main_~r~0#1| 2)) (.cse6 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse7 (= (select |#valid| 1) 1)) (.cse4 (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) (.cse8 (= |ULTIMATE.start_main_~r~0#1| (mod |ULTIMATE.start_main_~A~0#1| 4294967296))) (.cse9 (= (select |#valid| 0) 0)) (.cse10 (= (select |#valid| 2) 1)) (.cse11 (= (select .cse15 0) 48)) (.cse12 (= 10 (select |#length| 2))) (.cse13 (= (select .cse15 1) 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 2 |ULTIMATE.start_main_~p~0#1|) (= (* 2 .cse4) |ULTIMATE.start_main_~d~0#1|) .cse5 (<= 2 |ULTIMATE.start_main_~d~0#1|) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and (= |ULTIMATE.start_main_~p~0#1| 4) .cse0 .cse1 (= |ULTIMATE.start_main_~d~0#1| (* 4 .cse4)) (<= 1 .cse4) .cse2 .cse3 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 (= |ULTIMATE.start_main_~p~0#1| 1) (= |ULTIMATE.start_main_~d~0#1| .cse4) .cse2 .cse3 .cse5 .cse6 (<= 1 |ULTIMATE.start_main_~d~0#1|) .cse7 (<= .cse4 2) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13)))) [2023-12-02 13:59:07,404 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-12-02 13:59:07,404 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2023-12-02 13:59:07,404 INFO L895 garLoopResultBuilder]: At program point L28(line 28) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= 2 (select |#length| 1)) (<= (mod |ULTIMATE.start_main_~A~0#1| 4294967296) 2) (= (select |#valid| 3) 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0))) [2023-12-02 13:59:07,404 INFO L895 garLoopResultBuilder]: At program point L28-1(line 28) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= 2 (select |#length| 1)) (<= (mod |ULTIMATE.start_main_~A~0#1| 4294967296) 2) (= (select |#valid| 3) 1) (= (select |#valid| 1) 1) (<= (mod |ULTIMATE.start_main_~B~0#1| 4294967296) 2) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0))) [2023-12-02 13:59:07,404 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2023-12-02 13:59:07,404 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-12-02 13:59:07,404 INFO L899 garLoopResultBuilder]: For program point L53-1(line 53) no Hoare annotation was computed. [2023-12-02 13:59:07,404 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) no Hoare annotation was computed. [2023-12-02 13:59:07,404 INFO L895 garLoopResultBuilder]: At program point L37(line 37) the Hoare annotation is: (let ((.cse15 (select |#memory_int| 1))) (let ((.cse14 (<= (div |ULTIMATE.start_main_~d~0#1| 2) |ULTIMATE.start_main_~r~0#1|)) (.cse0 (= (select |#length| 3) 12)) (.cse1 (<= 1 |#StackHeapBarrier|)) (.cse2 (= 2 (select |#length| 1))) (.cse3 (= (select |#valid| 3) 1)) (.cse5 (<= |ULTIMATE.start_main_~r~0#1| 2)) (.cse6 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse7 (= (select |#valid| 1) 1)) (.cse4 (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) (.cse8 (= |ULTIMATE.start_main_~r~0#1| (mod |ULTIMATE.start_main_~A~0#1| 4294967296))) (.cse9 (= (select |#valid| 0) 0)) (.cse10 (= (select |#valid| 2) 1)) (.cse11 (= (select .cse15 0) 48)) (.cse12 (= 10 (select |#length| 2))) (.cse13 (= (select .cse15 1) 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 2 |ULTIMATE.start_main_~p~0#1|) (= (* 2 .cse4) |ULTIMATE.start_main_~d~0#1|) .cse5 (<= 2 |ULTIMATE.start_main_~d~0#1|) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and (= |ULTIMATE.start_main_~p~0#1| 4) .cse0 .cse1 (= |ULTIMATE.start_main_~d~0#1| (* 4 .cse4)) (<= 1 .cse4) .cse2 .cse3 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 (= |ULTIMATE.start_main_~p~0#1| 1) (= |ULTIMATE.start_main_~d~0#1| .cse4) .cse2 .cse3 .cse5 .cse6 (<= 1 |ULTIMATE.start_main_~d~0#1|) .cse7 (<= .cse4 2) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13)))) [2023-12-02 13:59:07,405 INFO L895 garLoopResultBuilder]: At program point L37-1(line 37) the Hoare annotation is: (let ((.cse15 (select |#memory_int| 1))) (let ((.cse14 (<= (div |ULTIMATE.start_main_~d~0#1| 2) |ULTIMATE.start_main_~r~0#1|)) (.cse0 (= (select |#length| 3) 12)) (.cse1 (<= 1 |#StackHeapBarrier|)) (.cse2 (= 2 (select |#length| 1))) (.cse3 (= (select |#valid| 3) 1)) (.cse5 (<= |ULTIMATE.start_main_~r~0#1| 2)) (.cse6 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse7 (= (select |#valid| 1) 1)) (.cse4 (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) (.cse8 (= |ULTIMATE.start_main_~r~0#1| (mod |ULTIMATE.start_main_~A~0#1| 4294967296))) (.cse9 (= (select |#valid| 0) 0)) (.cse10 (= (select |#valid| 2) 1)) (.cse11 (= (select .cse15 0) 48)) (.cse12 (= 10 (select |#length| 2))) (.cse13 (= (select .cse15 1) 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 2 |ULTIMATE.start_main_~p~0#1|) (= (* 2 .cse4) |ULTIMATE.start_main_~d~0#1|) .cse5 (<= 2 |ULTIMATE.start_main_~d~0#1|) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and (= |ULTIMATE.start_main_~p~0#1| 4) .cse0 .cse1 (= |ULTIMATE.start_main_~d~0#1| (* 4 .cse4)) (<= 1 .cse4) .cse2 .cse3 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 (= |ULTIMATE.start_main_~p~0#1| 1) (= |ULTIMATE.start_main_~d~0#1| .cse4) .cse2 .cse3 .cse5 .cse6 (<= 1 |ULTIMATE.start_main_~d~0#1|) .cse7 (<= .cse4 2) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13)))) [2023-12-02 13:59:07,405 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-12-02 13:59:07,405 INFO L899 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed. [2023-12-02 13:59:07,405 INFO L899 garLoopResultBuilder]: For program point L54(lines 54 57) no Hoare annotation was computed. [2023-12-02 13:59:07,405 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2023-12-02 13:59:07,405 INFO L895 garLoopResultBuilder]: At program point L54-2(lines 46 58) the Hoare annotation is: (let ((.cse32 (select |#memory_int| 1)) (.cse31 (+ |ULTIMATE.start_main_~r~0#1| 1)) (.cse30 (mod |ULTIMATE.start_main_~A~0#1| 4294967296)) (.cse29 (mod |ULTIMATE.start_main_~B~0#1| 4294967296))) (let ((.cse5 (= 2 |ULTIMATE.start_main_~p~0#1|)) (.cse6 (= .cse29 1)) (.cse7 (= |ULTIMATE.start_main_~r~0#1| 0)) (.cse8 (= 2 |ULTIMATE.start_main_~q~0#1|)) (.cse28 (<= 1 .cse29)) (.cse20 (* 2 .cse29)) (.cse21 (<= |ULTIMATE.start_main_~r~0#1| 2)) (.cse22 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse23 (= |ULTIMATE.start_main_~r~0#1| .cse30)) (.cse24 (<= .cse31 |ULTIMATE.start_main_~d~0#1|)) (.cse25 (<= (div |ULTIMATE.start_main_~d~0#1| 2) |ULTIMATE.start_main_~r~0#1|)) (.cse0 (= (select |#length| 3) 12)) (.cse1 (<= 1 |#StackHeapBarrier|)) (.cse26 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse27 (= |ULTIMATE.start_main_~d~0#1| .cse29)) (.cse2 (= 2 (select |#length| 1))) (.cse3 (<= .cse30 2)) (.cse4 (= (select |#valid| 3) 1)) (.cse9 (= (select |#valid| 1) 1)) (.cse10 (= (select |#valid| 0) 0)) (.cse11 (= (select |#valid| 2) 1)) (.cse17 (= (select .cse32 0) 48)) (.cse18 (= 10 (select |#length| 2))) (.cse19 (= (select .cse32 1) 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (exists ((|v_ULTIMATE.start_main_~p~0#1_220| Int)) (let ((.cse15 (= (mod |v_ULTIMATE.start_main_~p~0#1_220| 2) 0))) (let ((.cse14 (not .cse15)) (.cse12 (div |v_ULTIMATE.start_main_~p~0#1_220| 2))) (and (<= .cse12 9223372036854775807) (let ((.cse13 (+ .cse12 9223372036854775809))) (or (< 0 .cse13) (and (= .cse13 0) .cse14))) (let ((.cse16 (+ |v_ULTIMATE.start_main_~p~0#1_220| 1))) (or (and (or .cse15 (< 0 .cse16)) (= .cse12 2)) (and .cse14 (<= .cse16 0) (= .cse12 1)))))))) .cse17 .cse18 .cse19 (= 2 |ULTIMATE.start_main_~d~0#1|)) (and .cse0 .cse1 .cse2 .cse4 .cse5 (= .cse20 |ULTIMATE.start_main_~d~0#1|) .cse21 .cse22 .cse9 .cse23 .cse10 .cse11 .cse17 .cse18 .cse19 .cse24 .cse25) (and .cse0 .cse1 .cse26 .cse27 .cse28 .cse2 .cse3 .cse4 .cse22 .cse9 (<= .cse29 2) .cse23 .cse10 .cse11 .cse17 .cse18 .cse19) (and (= |ULTIMATE.start_main_~d~0#1| 1) .cse0 .cse1 .cse26 .cse2 .cse4 .cse6 .cse7 .cse8 .cse9 (= 2 .cse30) .cse10 .cse11 .cse17 .cse18 .cse19) (and (= |ULTIMATE.start_main_~p~0#1| 4) .cse0 .cse1 .cse28 (<= .cse20 |ULTIMATE.start_main_~r~0#1|) .cse2 .cse4 .cse21 .cse22 .cse9 .cse23 .cse10 .cse11 .cse17 .cse18 .cse19 .cse24 (= (mod |ULTIMATE.start_main_~d~0#1| 2) 0) .cse25) (and .cse0 .cse1 .cse26 .cse27 (<= (+ |ULTIMATE.start_main_~r~0#1| .cse29) 2) .cse2 .cse3 .cse4 (<= 0 |ULTIMATE.start_main_~r~0#1|) (= |ULTIMATE.start_main_~q~0#1| 1) .cse9 .cse10 (<= .cse31 .cse29) .cse11 .cse17 .cse18 .cse19)))) [2023-12-02 13:59:07,405 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 46 58) no Hoare annotation was computed. [2023-12-02 13:59:07,405 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) no Hoare annotation was computed. [2023-12-02 13:59:07,405 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 13:59:07,405 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-12-02 13:59:07,405 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2023-12-02 13:59:07,405 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2023-12-02 13:59:07,405 INFO L899 garLoopResultBuilder]: For program point L55-1(line 55) no Hoare annotation was computed. [2023-12-02 13:59:07,405 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-12-02 13:59:07,405 INFO L899 garLoopResultBuilder]: For program point L47-1(line 47) no Hoare annotation was computed. [2023-12-02 13:59:07,406 INFO L899 garLoopResultBuilder]: For program point L47-2(line 47) no Hoare annotation was computed. [2023-12-02 13:59:07,406 INFO L899 garLoopResultBuilder]: For program point L47-3(line 47) no Hoare annotation was computed. [2023-12-02 13:59:07,406 INFO L895 garLoopResultBuilder]: At program point L47-4(line 47) the Hoare annotation is: (let ((.cse27 (+ |ULTIMATE.start_main_~r~0#1| 1)) (.cse28 (select |#memory_int| 1)) (.cse29 (mod |ULTIMATE.start_main_~A~0#1| 4294967296)) (.cse24 (mod |ULTIMATE.start_main_~B~0#1| 4294967296))) (let ((.cse4 (= 2 |ULTIMATE.start_main_~p~0#1|)) (.cse25 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse26 (= |ULTIMATE.start_main_~d~0#1| .cse24)) (.cse18 (<= .cse29 2)) (.cse0 (= (select |#length| 3) 12)) (.cse1 (<= 1 |#StackHeapBarrier|)) (.cse17 (<= 1 .cse24)) (.cse5 (* 2 .cse24)) (.cse2 (= 2 (select |#length| 1))) (.cse3 (= (select |#valid| 3) 1)) (.cse6 (<= |ULTIMATE.start_main_~r~0#1| 2)) (.cse7 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse8 (= (select |#valid| 1) 1)) (.cse9 (= |ULTIMATE.start_main_~r~0#1| .cse29)) (.cse10 (= (select |#valid| 0) 0)) (.cse11 (= (select |#valid| 2) 1)) (.cse12 (= (select .cse28 0) 48)) (.cse13 (= 10 (select |#length| 2))) (.cse14 (= (select .cse28 1) 0)) (.cse15 (<= .cse27 |ULTIMATE.start_main_~d~0#1|)) (.cse16 (<= (div |ULTIMATE.start_main_~d~0#1| 2) |ULTIMATE.start_main_~r~0#1|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= .cse5 |ULTIMATE.start_main_~d~0#1|) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse0 .cse1 .cse17 .cse2 .cse18 .cse3 .cse4 (= |ULTIMATE.start_main_~r~0#1| 0) (= 2 |ULTIMATE.start_main_~q~0#1|) .cse8 .cse10 .cse11 (exists ((|v_ULTIMATE.start_main_~p~0#1_220| Int)) (let ((.cse22 (= (mod |v_ULTIMATE.start_main_~p~0#1_220| 2) 0))) (let ((.cse21 (not .cse22)) (.cse19 (div |v_ULTIMATE.start_main_~p~0#1_220| 2))) (and (<= .cse19 9223372036854775807) (let ((.cse20 (+ .cse19 9223372036854775809))) (or (< 0 .cse20) (and (= .cse20 0) .cse21))) (let ((.cse23 (+ |v_ULTIMATE.start_main_~p~0#1_220| 1))) (or (and (or .cse22 (< 0 .cse23)) (= .cse19 2)) (and .cse21 (<= .cse23 0) (= .cse19 1)))))))) .cse12 (exists ((v_y_36 Int)) (and (<= (* v_y_36 .cse24) 2) (<= 2 v_y_36))) .cse13 .cse14 (= 2 |ULTIMATE.start_main_~d~0#1|)) (and .cse0 .cse1 (<= 1 |ULTIMATE.start_main_~q~0#1|) .cse25 .cse26 (<= (+ |ULTIMATE.start_main_~r~0#1| .cse24) 2) .cse2 .cse18 .cse3 (<= 0 |ULTIMATE.start_main_~r~0#1|) (exists ((v_y_36 Int)) (and (<= (* v_y_36 .cse24) 2) (<= |ULTIMATE.start_main_~q~0#1| v_y_36))) .cse8 .cse10 (<= .cse27 .cse24) .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse25 .cse26 .cse17 .cse2 .cse18 .cse3 .cse7 .cse8 (<= .cse24 2) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and (= |ULTIMATE.start_main_~p~0#1| 4) .cse0 .cse1 .cse17 (<= .cse5 |ULTIMATE.start_main_~r~0#1|) .cse2 .cse3 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 (= (mod |ULTIMATE.start_main_~d~0#1| 2) 0) .cse16)))) [2023-12-02 13:59:07,406 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2023-12-02 13:59:07,406 INFO L899 garLoopResultBuilder]: For program point L47-5(line 47) no Hoare annotation was computed. [2023-12-02 13:59:07,406 INFO L899 garLoopResultBuilder]: For program point L39(line 39) no Hoare annotation was computed. [2023-12-02 13:59:07,406 INFO L895 garLoopResultBuilder]: At program point L39-1(line 39) the Hoare annotation is: (let ((.cse15 (select |#memory_int| 1))) (let ((.cse14 (<= (div |ULTIMATE.start_main_~d~0#1| 2) |ULTIMATE.start_main_~r~0#1|)) (.cse0 (= (select |#length| 3) 12)) (.cse1 (<= 1 |#StackHeapBarrier|)) (.cse2 (= 2 (select |#length| 1))) (.cse3 (= (select |#valid| 3) 1)) (.cse5 (<= |ULTIMATE.start_main_~r~0#1| 2)) (.cse6 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse7 (= (select |#valid| 1) 1)) (.cse4 (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) (.cse8 (= |ULTIMATE.start_main_~r~0#1| (mod |ULTIMATE.start_main_~A~0#1| 4294967296))) (.cse9 (= (select |#valid| 0) 0)) (.cse10 (= (select |#valid| 2) 1)) (.cse11 (= (select .cse15 0) 48)) (.cse12 (= 10 (select |#length| 2))) (.cse13 (= (select .cse15 1) 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 2 |ULTIMATE.start_main_~p~0#1|) (= (* 2 .cse4) |ULTIMATE.start_main_~d~0#1|) .cse5 (<= 2 |ULTIMATE.start_main_~d~0#1|) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and (= |ULTIMATE.start_main_~p~0#1| 4) .cse0 .cse1 (= |ULTIMATE.start_main_~d~0#1| (* 4 .cse4)) (<= 1 .cse4) .cse2 .cse3 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 (= |ULTIMATE.start_main_~p~0#1| 1) (= |ULTIMATE.start_main_~d~0#1| .cse4) .cse2 .cse3 .cse5 .cse6 (<= 1 |ULTIMATE.start_main_~d~0#1|) .cse7 (<= .cse4 2) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13)))) [2023-12-02 13:59:07,406 INFO L899 garLoopResultBuilder]: For program point L39-2(lines 36 44) no Hoare annotation was computed. [2023-12-02 13:59:07,406 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2023-12-02 13:59:07,406 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-12-02 13:59:07,406 INFO L899 garLoopResultBuilder]: For program point L56-1(line 56) no Hoare annotation was computed. [2023-12-02 13:59:07,406 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2023-12-02 13:59:07,407 INFO L895 garLoopResultBuilder]: At program point L48-1(line 48) the Hoare annotation is: (let ((.cse25 (+ |ULTIMATE.start_main_~r~0#1| 1)) (.cse27 (select |#memory_int| 1)) (.cse10 (mod |ULTIMATE.start_main_~A~0#1| 4294967296)) (.cse5 (mod |ULTIMATE.start_main_~B~0#1| 4294967296))) (let ((.cse4 (= 2 |ULTIMATE.start_main_~p~0#1|)) (.cse22 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse23 (= |ULTIMATE.start_main_~d~0#1| .cse5)) (.cse24 (<= .cse10 2)) (.cse0 (= (select |#length| 3) 12)) (.cse1 (<= 1 |#StackHeapBarrier|)) (.cse26 (<= 1 .cse5)) (.cse16 (* 2 .cse5)) (.cse2 (= 2 (select |#length| 1))) (.cse3 (= (select |#valid| 3) 1)) (.cse17 (<= |ULTIMATE.start_main_~r~0#1| 2)) (.cse18 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse6 (= (select |#valid| 1) 1)) (.cse19 (= |ULTIMATE.start_main_~r~0#1| .cse10)) (.cse11 (= (select |#valid| 0) 0)) (.cse12 (= (select |#valid| 2) 1)) (.cse13 (= (select .cse27 0) 48)) (.cse14 (= 10 (select |#length| 2))) (.cse15 (= (select .cse27 1) 0)) (.cse20 (<= .cse25 |ULTIMATE.start_main_~d~0#1|)) (.cse21 (<= (div |ULTIMATE.start_main_~d~0#1| 2) |ULTIMATE.start_main_~r~0#1|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= .cse5 1) (= |ULTIMATE.start_main_~r~0#1| 0) (= 2 |ULTIMATE.start_main_~q~0#1|) .cse6 (exists ((|v_ULTIMATE.start_main_~p~0#1_220| Int)) (let ((.cse7 (= (mod |v_ULTIMATE.start_main_~p~0#1_220| 2) 0)) (.cse8 (+ |v_ULTIMATE.start_main_~p~0#1_220| 1)) (.cse9 (div |v_ULTIMATE.start_main_~p~0#1_220| 2))) (or (and (or .cse7 (< 0 .cse8)) (= .cse9 2)) (and (not .cse7) (<= .cse8 0) (= .cse9 1))))) (= 2 .cse10) .cse11 .cse12 .cse13 .cse14 .cse15 (= 2 |ULTIMATE.start_main_~d~0#1|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= .cse16 |ULTIMATE.start_main_~d~0#1|) .cse17 .cse18 .cse6 .cse19 .cse11 .cse12 .cse13 .cse14 .cse15 .cse20 .cse21) (and .cse0 .cse1 (<= 1 |ULTIMATE.start_main_~q~0#1|) .cse22 .cse23 (<= (+ |ULTIMATE.start_main_~r~0#1| .cse5) 2) .cse2 .cse24 .cse3 (<= 0 |ULTIMATE.start_main_~r~0#1|) (exists ((v_y_36 Int)) (and (<= (* v_y_36 .cse5) 2) (<= |ULTIMATE.start_main_~q~0#1| v_y_36))) .cse6 .cse11 (<= .cse25 .cse5) .cse12 .cse13 .cse14 .cse15) (and .cse0 .cse1 .cse22 .cse23 .cse26 .cse2 .cse24 .cse3 .cse18 .cse6 (<= .cse5 2) .cse19 .cse11 .cse12 .cse13 .cse14 .cse15) (and (= |ULTIMATE.start_main_~p~0#1| 4) .cse0 .cse1 .cse26 (<= .cse16 |ULTIMATE.start_main_~r~0#1|) .cse2 .cse3 .cse17 .cse18 .cse6 .cse19 .cse11 .cse12 .cse13 .cse14 .cse15 .cse20 (= (mod |ULTIMATE.start_main_~d~0#1| 2) 0) .cse21)))) [2023-12-02 13:59:07,407 INFO L899 garLoopResultBuilder]: For program point L48-2(lines 46 58) no Hoare annotation was computed. [2023-12-02 13:59:07,407 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2023-12-02 13:59:07,407 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2023-12-02 13:59:07,407 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2023-12-02 13:59:07,407 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-12-02 13:59:07,407 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 13:59:07,407 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2023-12-02 13:59:07,407 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2023-12-02 13:59:07,407 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-12-02 13:59:07,407 INFO L899 garLoopResultBuilder]: For program point L42(line 42) no Hoare annotation was computed. [2023-12-02 13:59:07,407 INFO L899 garLoopResultBuilder]: For program point L42-1(line 42) no Hoare annotation was computed. [2023-12-02 13:59:07,407 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2023-12-02 13:59:07,407 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2023-12-02 13:59:07,408 INFO L895 garLoopResultBuilder]: At program point L26(line 26) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0))) [2023-12-02 13:59:07,408 INFO L899 garLoopResultBuilder]: For program point L26-1(line 26) no Hoare annotation was computed. [2023-12-02 13:59:07,408 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-12-02 13:59:07,408 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2023-12-02 13:59:07,408 INFO L899 garLoopResultBuilder]: For program point L43-1(line 43) no Hoare annotation was computed. [2023-12-02 13:59:07,408 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) no Hoare annotation was computed. [2023-12-02 13:59:07,408 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 11 13) the Hoare annotation is: true [2023-12-02 13:59:07,408 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 11 13) no Hoare annotation was computed. [2023-12-02 13:59:07,408 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 14 20) no Hoare annotation was computed. [2023-12-02 13:59:07,408 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: true [2023-12-02 13:59:07,411 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:59:07,413 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 13:59:07,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-12-02 13:59:07,430 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-12-02 13:59:07,431 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-12-02 13:59:07,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-12-02 13:59:07,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-12-02 13:59:07,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-12-02 13:59:07,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~p~0#1_220 : int :: (v_ULTIMATE.start_main_~p~0#1_220 / 2 <= 9223372036854775807 && (0 < v_ULTIMATE.start_main_~p~0#1_220 / 2 + 9223372036854775809 || (v_ULTIMATE.start_main_~p~0#1_220 / 2 + 9223372036854775809 == 0 && !(v_ULTIMATE.start_main_~p~0#1_220 % 2 == 0)))) && (((v_ULTIMATE.start_main_~p~0#1_220 % 2 == 0 || 0 < v_ULTIMATE.start_main_~p~0#1_220 + 1) && v_ULTIMATE.start_main_~p~0#1_220 / 2 == 2) || ((!(v_ULTIMATE.start_main_~p~0#1_220 % 2 == 0) && v_ULTIMATE.start_main_~p~0#1_220 + 1 <= 0) && v_ULTIMATE.start_main_~p~0#1_220 / 2 == 1))) could not be translated [2023-12-02 13:59:07,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-12-02 13:59:07,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-12-02 13:59:07,433 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-12-02 13:59:07,433 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-12-02 13:59:07,433 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-12-02 13:59:07,433 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-12-02 13:59:07,433 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-12-02 13:59:07,433 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-12-02 13:59:07,434 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-12-02 13:59:07,434 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-12-02 13:59:07,434 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-12-02 13:59:07,434 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-12-02 13:59:07,434 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-12-02 13:59:07,434 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-12-02 13:59:07,435 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-12-02 13:59:07,435 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-12-02 13:59:07,435 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-12-02 13:59:07,435 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-12-02 13:59:07,435 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-12-02 13:59:07,435 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-12-02 13:59:07,435 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-12-02 13:59:07,436 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-12-02 13:59:07,436 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-12-02 13:59:07,436 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-12-02 13:59:07,436 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-12-02 13:59:07,436 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-12-02 13:59:07,436 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-12-02 13:59:07,437 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-12-02 13:59:07,437 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-12-02 13:59:07,437 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-12-02 13:59:07,437 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-12-02 13:59:07,437 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-12-02 13:59:07,437 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-12-02 13:59:07,438 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-12-02 13:59:07,438 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-12-02 13:59:07,438 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-12-02 13:59:07,438 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-12-02 13:59:07,438 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-12-02 13:59:07,438 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-12-02 13:59:07,439 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-12-02 13:59:07,439 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-12-02 13:59:07,439 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-12-02 13:59:07,440 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-12-02 13:59:07,440 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-12-02 13:59:07,440 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-12-02 13:59:07,440 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-12-02 13:59:07,440 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-12-02 13:59:07,440 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-12-02 13:59:07,442 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-12-02 13:59:07,442 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-12-02 13:59:07,442 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-12-02 13:59:07,443 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-12-02 13:59:07,443 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-12-02 13:59:07,443 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-12-02 13:59:07,443 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-12-02 13:59:07,443 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-12-02 13:59:07,443 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-12-02 13:59:07,444 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-12-02 13:59:07,444 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-12-02 13:59:07,444 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-12-02 13:59:07,444 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-12-02 13:59:07,445 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-12-02 13:59:07,445 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-12-02 13:59:07,445 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-12-02 13:59:07,445 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-12-02 13:59:07,445 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-12-02 13:59:07,445 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-12-02 13:59:07,445 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-12-02 13:59:07,446 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-12-02 13:59:07,446 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-12-02 13:59:07,446 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-12-02 13:59:07,446 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-12-02 13:59:07,446 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-12-02 13:59:07,446 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-12-02 13:59:07,447 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-12-02 13:59:07,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:59:07 BoogieIcfgContainer [2023-12-02 13:59:07,447 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:59:07,448 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:59:07,448 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:59:07,448 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:59:07,448 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:48:02" (3/4) ... [2023-12-02 13:59:07,450 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 13:59:07,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 13:59:07,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-02 13:59:07,459 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-12-02 13:59:07,460 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-02 13:59:07,460 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 13:59:07,460 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 13:59:07,542 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 13:59:07,542 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 13:59:07,543 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:59:07,543 INFO L158 Benchmark]: Toolchain (without parser) took 666231.52ms. Allocated memory was 146.8MB in the beginning and 314.6MB in the end (delta: 167.8MB). Free memory was 101.9MB in the beginning and 189.8MB in the end (delta: -87.9MB). Peak memory consumption was 81.3MB. Max. memory is 16.1GB. [2023-12-02 13:59:07,544 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:59:07,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.67ms. Allocated memory is still 146.8MB. Free memory was 101.9MB in the beginning and 91.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 13:59:07,544 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.95ms. Allocated memory is still 146.8MB. Free memory was 91.0MB in the beginning and 89.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:59:07,545 INFO L158 Benchmark]: Boogie Preprocessor took 24.36ms. Allocated memory is still 146.8MB. Free memory was 89.0MB in the beginning and 87.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:59:07,545 INFO L158 Benchmark]: RCFGBuilder took 411.12ms. Allocated memory is still 146.8MB. Free memory was 87.7MB in the beginning and 70.5MB in the end (delta: 17.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 13:59:07,545 INFO L158 Benchmark]: TraceAbstraction took 665438.07ms. Allocated memory was 146.8MB in the beginning and 314.6MB in the end (delta: 167.8MB). Free memory was 69.7MB in the beginning and 195.1MB in the end (delta: -125.4MB). Peak memory consumption was 156.8MB. Max. memory is 16.1GB. [2023-12-02 13:59:07,546 INFO L158 Benchmark]: Witness Printer took 95.23ms. Allocated memory is still 314.6MB. Free memory was 195.1MB in the beginning and 189.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 13:59:07,547 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.67ms. Allocated memory is still 146.8MB. Free memory was 101.9MB in the beginning and 91.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.95ms. Allocated memory is still 146.8MB. Free memory was 91.0MB in the beginning and 89.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.36ms. Allocated memory is still 146.8MB. Free memory was 89.0MB in the beginning and 87.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 411.12ms. Allocated memory is still 146.8MB. Free memory was 87.7MB in the beginning and 70.5MB in the end (delta: 17.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 665438.07ms. Allocated memory was 146.8MB in the beginning and 314.6MB in the end (delta: 167.8MB). Free memory was 69.7MB in the beginning and 195.1MB in the end (delta: -125.4MB). Peak memory consumption was 156.8MB. Max. memory is 16.1GB. * Witness Printer took 95.23ms. Allocated memory is still 314.6MB. Free memory was 195.1MB in the beginning and 189.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] 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 #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_main_~p~0#1_220 : int :: (v_ULTIMATE.start_main_~p~0#1_220 / 2 <= 9223372036854775807 && (0 < v_ULTIMATE.start_main_~p~0#1_220 / 2 + 9223372036854775809 || (v_ULTIMATE.start_main_~p~0#1_220 / 2 + 9223372036854775809 == 0 && !(v_ULTIMATE.start_main_~p~0#1_220 % 2 == 0)))) && (((v_ULTIMATE.start_main_~p~0#1_220 % 2 == 0 || 0 < v_ULTIMATE.start_main_~p~0#1_220 + 1) && v_ULTIMATE.start_main_~p~0#1_220 / 2 == 2) || ((!(v_ULTIMATE.start_main_~p~0#1_220 % 2 == 0) && v_ULTIMATE.start_main_~p~0#1_220 + 1 <= 0) && v_ULTIMATE.start_main_~p~0#1_220 / 2 == 1))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] 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][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] 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 #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[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 #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] 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 #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[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 #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] 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 #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[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 #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] 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 #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[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 #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] 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 #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[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 #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] 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 #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[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 #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] 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 #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[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 #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] 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 #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[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 #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] 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: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: 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: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 72 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 665.3s, OverallIterations: 31, TraceHistogramMax: 15, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 306.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 88 mSolverCounterUnknown, 3520 SdHoareTripleChecker+Valid, 189.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3412 mSDsluCounter, 4787 SdHoareTripleChecker+Invalid, 188.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3370 mSDsCounter, 537 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8445 IncrementalHoareTripleChecker+Invalid, 9070 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 537 mSolverCounterUnsat, 1417 mSDtfsCounter, 8445 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4392 GetRequests, 3465 SyntacticMatches, 14 SemanticMatches, 913 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17090 ImplicationChecksByTransitivity, 364.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=177occurred in iteration=29, InterpolantAutomatonStates: 281, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 31 MinimizatonAttempts, 492 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 67 PreInvPairs, 99 NumberOfFragments, 2713 HoareAnnotationTreeSize, 67 FomulaSimplifications, 95580 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 14 FomulaSimplificationsInter, 2625 FormulaSimplificationTreeSizeReductionInter, 9.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 82.8s InterpolantComputationTime, 2098 NumberOfCodeBlocks, 1887 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 2515 ConstructedInterpolants, 17 QuantifiedInterpolants, 18571 SizeOfPredicates, 83 NumberOfNonLiveVariables, 4556 ConjunctsInSsa, 381 ConjunctsInUnsatCore, 38 InterpolantComputations, 14 PerfectInterpolantSequences, 3532/3909 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: 4.4s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 121, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 150, TOOLS_POST_TIME: 1.2s, TOOLS_POST_CALL_APPLICATIONS: 96, TOOLS_POST_CALL_TIME: 1.2s, TOOLS_POST_RETURN_APPLICATIONS: 82, TOOLS_POST_RETURN_TIME: 1.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 328, TOOLS_QUANTIFIERELIM_TIME: 3.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 346, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 112, DOMAIN_JOIN_TIME: 0.6s, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 121, DOMAIN_ISBOTTOM_TIME: 0.2s, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME: 2.9s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 2.9s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 82, CALL_SUMMARIZER_CACHE_MISSES: 4, 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: 3484, DAG_COMPRESSION_RETAINED_NODES: 261, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 24 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((((((((((((A % 4294967296) <= 2) && (2 == p)) && ((B % 4294967296) == 1)) && (r == 0)) && (2 == q)) && (2 == d)) || (((((((2 == p) && ((2 * (B % 4294967296)) == d)) && (r <= 2)) && (q == 0)) && (r == (A % 4294967296))) && ((r + 1) <= d)) && ((d / 2) <= r))) || (((((((p == 1) && (d == (B % 4294967296))) && (1 <= (B % 4294967296))) && ((A % 4294967296) <= 2)) && (q == 0)) && ((B % 4294967296) <= 2)) && (r == (A % 4294967296)))) || ((((((d == 1) && (p == 1)) && ((B % 4294967296) == 1)) && (r == 0)) && (2 == q)) && (2 == (A % 4294967296)))) || (((((((((p == 4) && (1 <= (B % 4294967296))) && ((2 * (B % 4294967296)) <= r)) && (r <= 2)) && (q == 0)) && (r == (A % 4294967296))) && ((r + 1) <= d)) && ((d % 2) == 0)) && ((d / 2) <= r))) || (((((((p == 1) && (d == (B % 4294967296))) && ((r + (B % 4294967296)) <= 2)) && ((A % 4294967296) <= 2)) && (0 <= r)) && (q == 1)) && ((r + 1) <= (B % 4294967296)))) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: (((((((((2 == p) && ((2 * (B % 4294967296)) == d)) && (r <= 2)) && (2 <= d)) && (q == 0)) && (r == (A % 4294967296))) && ((d / 2) <= r)) || (((((((p == 4) && (d == (4 * (B % 4294967296)))) && (1 <= (B % 4294967296))) && (r <= 2)) && (q == 0)) && (r == (A % 4294967296))) && ((d / 2) <= r))) || (((((((p == 1) && (d == (B % 4294967296))) && (r <= 2)) && (q == 0)) && (1 <= d)) && ((B % 4294967296) <= 2)) && (r == (A % 4294967296)))) RESULT: Ultimate proved your program to be correct! [2023-12-02 13:59:07,768 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-12-02 13:59:07,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4cd470e-1f65-458e-9de1-33d5117c31a2/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE