./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/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_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/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_a8bff9e8-9248-4259-be59-53fe97ef2c5a/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 f78eb3bd6243e56025d38ea44716c81630a57505e69e1c5e81a8ab68f6ac9a28 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:52:27,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:52:27,329 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-12-02 18:52:27,337 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:52:27,338 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:52:27,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:52:27,386 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:52:27,386 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:52:27,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:52:27,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:52:27,389 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:52:27,389 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:52:27,390 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:52:27,391 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:52:27,391 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:52:27,392 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:52:27,393 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:52:27,393 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:52:27,394 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:52:27,395 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:52:27,395 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:52:27,396 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:52:27,427 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:52:27,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:52:27,428 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:52:27,428 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:52:27,429 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:52:27,429 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:52:27,430 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:52:27,430 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:52:27,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:52:27,431 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 18:52:27,432 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 18:52:27,432 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:52:27,433 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:52:27,434 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:52:27,434 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:52:27,434 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:52:27,435 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:52:27,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:52:27,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:52:27,436 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:52:27,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:52:27,436 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:52:27,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:52:27,437 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:52:27,437 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:52:27,437 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:52:27,437 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:52:27,437 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_a8bff9e8-9248-4259-be59-53fe97ef2c5a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f78eb3bd6243e56025d38ea44716c81630a57505e69e1c5e81a8ab68f6ac9a28 [2023-12-02 18:52:27,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:52:27,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:52:27,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:52:27,761 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:52:27,761 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:52:27,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound100.c [2023-12-02 18:52:31,152 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:52:31,379 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:52:31,380 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound100.c [2023-12-02 18:52:31,387 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/data/66fd600be/0809ca6f68654f599990e303c506c2ae/FLAGb17e22258 [2023-12-02 18:52:31,403 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/data/66fd600be/0809ca6f68654f599990e303c506c2ae [2023-12-02 18:52:31,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:52:31,407 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:52:31,409 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:52:31,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:52:31,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:52:31,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:52:31" (1/1) ... [2023-12-02 18:52:31,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@114a72f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:31, skipping insertion in model container [2023-12-02 18:52:31,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:52:31" (1/1) ... [2023-12-02 18:52:31,450 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:52:31,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:52:31,647 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:52:31,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:52:31,688 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:52:31,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:31 WrapperNode [2023-12-02 18:52:31,689 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:52:31,690 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:52:31,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:52:31,690 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:52:31,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:31" (1/1) ... [2023-12-02 18:52:31,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:31" (1/1) ... [2023-12-02 18:52:31,731 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-12-02 18:52:31,731 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:52:31,732 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:52:31,732 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:52:31,732 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:52:31,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:31" (1/1) ... [2023-12-02 18:52:31,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:31" (1/1) ... [2023-12-02 18:52:31,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:31" (1/1) ... [2023-12-02 18:52:31,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:31" (1/1) ... [2023-12-02 18:52:31,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:31" (1/1) ... [2023-12-02 18:52:31,750 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:31" (1/1) ... [2023-12-02 18:52:31,751 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:31" (1/1) ... [2023-12-02 18:52:31,752 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:31" (1/1) ... [2023-12-02 18:52:31,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:52:31,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:52:31,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:52:31,755 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:52:31,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:31" (1/1) ... [2023-12-02 18:52:31,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:52:31,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:52:31,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:52:31,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:52:31,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:52:31,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:52:31,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:52:31,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:52:31,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 18:52:31,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 18:52:31,900 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:52:31,902 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:52:32,075 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:52:32,102 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:52:32,102 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:52:32,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:52:32 BoogieIcfgContainer [2023-12-02 18:52:32,104 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:52:32,107 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:52:32,107 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:52:32,111 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:52:32,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:52:31" (1/3) ... [2023-12-02 18:52:32,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38d5e871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:52:32, skipping insertion in model container [2023-12-02 18:52:32,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:52:31" (2/3) ... [2023-12-02 18:52:32,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38d5e871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:52:32, skipping insertion in model container [2023-12-02 18:52:32,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:52:32" (3/3) ... [2023-12-02 18:52:32,115 INFO L112 eAbstractionObserver]: Analyzing ICFG freire1_unwindbound100.c [2023-12-02 18:52:32,139 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:52:32,139 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-12-02 18:52:32,190 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:52:32,198 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;@6e95ad09, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:52:32,198 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-12-02 18:52:32,202 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 22 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 18:52:32,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 18:52:32,210 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:52:32,211 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-12-02 18:52:32,211 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 18:52:32,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:52:32,218 INFO L85 PathProgramCache]: Analyzing trace with hash 88477, now seen corresponding path program 1 times [2023-12-02 18:52:32,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:52:32,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746274028] [2023-12-02 18:52:32,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:52:32,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:52:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:52:32,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:52:32,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:52:32,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746274028] [2023-12-02 18:52:32,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746274028] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:52:32,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:52:32,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:52:32,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135033088] [2023-12-02 18:52:32,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:52:32,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 18:52:32,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:52:32,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 18:52:32,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 18:52:32,405 INFO L87 Difference]: Start difference. First operand has 26 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 22 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:52:32,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:52:32,434 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2023-12-02 18:52:32,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 18:52:32,437 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2023-12-02 18:52:32,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:52:32,444 INFO L225 Difference]: With dead ends: 34 [2023-12-02 18:52:32,444 INFO L226 Difference]: Without dead ends: 21 [2023-12-02 18:52:32,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 18:52:32,452 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:52:32,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:52:32,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-12-02 18:52:32,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-12-02 18:52:32,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 18 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 18:52:32,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2023-12-02 18:52:32,488 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 3 [2023-12-02 18:52:32,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:52:32,489 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2023-12-02 18:52:32,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:52:32,490 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2023-12-02 18:52:32,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 18:52:32,490 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:52:32,490 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-12-02 18:52:32,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 18:52:32,491 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 18:52:32,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:52:32,493 INFO L85 PathProgramCache]: Analyzing trace with hash 87676, now seen corresponding path program 1 times [2023-12-02 18:52:32,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:52:32,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603801459] [2023-12-02 18:52:32,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:52:32,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:52:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:52:32,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:52:32,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:52:32,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603801459] [2023-12-02 18:52:32,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603801459] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:52:32,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:52:32,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:52:32,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484022912] [2023-12-02 18:52:32,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:52:32,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 18:52:32,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:52:32,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 18:52:32,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 18:52:32,602 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:52:32,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:52:32,665 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2023-12-02 18:52:32,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 18:52:32,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2023-12-02 18:52:32,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:52:32,667 INFO L225 Difference]: With dead ends: 30 [2023-12-02 18:52:32,667 INFO L226 Difference]: Without dead ends: 25 [2023-12-02 18:52:32,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 18:52:32,669 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 4 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:52:32,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 46 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:52:32,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-12-02 18:52:32,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-12-02 18:52:32,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.411764705882353) internal successors, (24), 22 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 18:52:32,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2023-12-02 18:52:32,679 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 3 [2023-12-02 18:52:32,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:52:32,679 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2023-12-02 18:52:32,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:52:32,680 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2023-12-02 18:52:32,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 18:52:32,681 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:52:32,681 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:52:32,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 18:52:32,682 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 18:52:32,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:52:32,683 INFO L85 PathProgramCache]: Analyzing trace with hash -632484253, now seen corresponding path program 1 times [2023-12-02 18:52:32,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:52:32,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675315953] [2023-12-02 18:52:32,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:52:32,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:52:32,701 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:52:32,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1145214106] [2023-12-02 18:52:32,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:52:32,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:52:32,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:52:32,707 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:52:32,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 18:52:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:52:32,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 18:52:32,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:52:32,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:52:32,811 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:52:32,811 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:52:32,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675315953] [2023-12-02 18:52:32,812 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 18:52:32,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145214106] [2023-12-02 18:52:32,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145214106] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:52:32,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:52:32,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 18:52:32,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387922730] [2023-12-02 18:52:32,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:52:32,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:52:32,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:52:32,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:52:32,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:52:32,816 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:52:32,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:52:32,862 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2023-12-02 18:52:32,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:52:32,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-12-02 18:52:32,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:52:32,864 INFO L225 Difference]: With dead ends: 37 [2023-12-02 18:52:32,864 INFO L226 Difference]: Without dead ends: 31 [2023-12-02 18:52:32,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:52:32,867 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 5 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:52:32,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 26 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:52:32,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-12-02 18:52:32,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2023-12-02 18:52:32,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 27 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 18:52:32,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2023-12-02 18:52:32,877 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 7 [2023-12-02 18:52:32,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:52:32,877 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2023-12-02 18:52:32,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 18:52:32,878 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2023-12-02 18:52:32,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 18:52:32,879 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:52:32,880 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:52:32,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 18:52:33,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:52:33,085 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 18:52:33,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:52:33,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1004619476, now seen corresponding path program 1 times [2023-12-02 18:52:33,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:52:33,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222826084] [2023-12-02 18:52:33,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:52:33,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:52:33,106 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:52:33,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1207221467] [2023-12-02 18:52:33,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:52:33,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:52:33,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:52:33,109 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:52:33,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 18:52:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:52:33,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 18:52:33,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:52:33,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:52:33,264 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:52:33,265 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:52:33,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222826084] [2023-12-02 18:52:33,265 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 18:52:33,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207221467] [2023-12-02 18:52:33,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207221467] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:52:33,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:52:33,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 18:52:33,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557655789] [2023-12-02 18:52:33,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:52:33,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 18:52:33,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:52:33,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 18:52:33,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-02 18:52:33,270 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 18:52:33,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:52:33,338 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2023-12-02 18:52:33,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 18:52:33,339 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2023-12-02 18:52:33,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:52:33,340 INFO L225 Difference]: With dead ends: 31 [2023-12-02 18:52:33,341 INFO L226 Difference]: Without dead ends: 30 [2023-12-02 18:52:33,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-12-02 18:52:33,343 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 24 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:52:33,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 39 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:52:33,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-12-02 18:52:33,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2023-12-02 18:52:33,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 26 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 18:52:33,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2023-12-02 18:52:33,353 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 15 [2023-12-02 18:52:33,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:52:33,354 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2023-12-02 18:52:33,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 18:52:33,355 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2023-12-02 18:52:33,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 18:52:33,356 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:52:33,356 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:52:33,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 18:52:33,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:52:33,557 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 18:52:33,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:52:33,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1078432725, now seen corresponding path program 1 times [2023-12-02 18:52:33,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:52:33,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392447493] [2023-12-02 18:52:33,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:52:33,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:52:33,575 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:52:33,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1614840013] [2023-12-02 18:52:33,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:52:33,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:52:33,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:52:33,577 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:52:33,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 18:52:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:52:33,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 18:52:33,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:52:33,690 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:52:33,691 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:52:33,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:52:33,773 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:52:33,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392447493] [2023-12-02 18:52:33,773 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 18:52:33,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614840013] [2023-12-02 18:52:33,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614840013] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:52:33,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1837909465] [2023-12-02 18:52:33,799 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2023-12-02 18:52:33,799 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 18:52:33,804 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 18:52:33,811 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 18:52:33,812 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 18:52:35,072 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 60 for LOIs [2023-12-02 18:52:35,109 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 18:52:36,442 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '488#(and (<= 1 |#StackHeapBarrier|) (= ~counter~0 |ULTIMATE.start_main_#t~post5#1|) (<= |ULTIMATE.start_main_~r~0#1| 2147483647) (<= 2147483647 |ULTIMATE.start_main_#t~post5#1|) (<= 1 |ULTIMATE.start_main_~r~0#1|))' at error location [2023-12-02 18:52:36,442 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 18:52:36,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 18:52:36,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 9 [2023-12-02 18:52:36,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621240100] [2023-12-02 18:52:36,443 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 18:52:36,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 18:52:36,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:52:36,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 18:52:36,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2023-12-02 18:52:36,446 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 10 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 18:52:36,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:52:36,667 INFO L93 Difference]: Finished difference Result 75 states and 79 transitions. [2023-12-02 18:52:36,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 18:52:36,668 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 10 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2023-12-02 18:52:36,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:52:36,670 INFO L225 Difference]: With dead ends: 75 [2023-12-02 18:52:36,670 INFO L226 Difference]: Without dead ends: 71 [2023-12-02 18:52:36,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 26 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=135, Invalid=515, Unknown=0, NotChecked=0, Total=650 [2023-12-02 18:52:36,672 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 44 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:52:36,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 83 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 18:52:36,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-12-02 18:52:36,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 59. [2023-12-02 18:52:36,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 46 states have (on average 1.326086956521739) internal successors, (61), 50 states have internal predecessors, (61), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-02 18:52:36,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 69 transitions. [2023-12-02 18:52:36,685 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 69 transitions. Word has length 16 [2023-12-02 18:52:36,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:52:36,686 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 69 transitions. [2023-12-02 18:52:36,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 10 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 18:52:36,686 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 69 transitions. [2023-12-02 18:52:36,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 18:52:36,687 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:52:36,687 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:52:36,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 18:52:36,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:52:36,888 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 18:52:36,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:52:36,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1233982139, now seen corresponding path program 1 times [2023-12-02 18:52:36,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:52:36,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338525659] [2023-12-02 18:52:36,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:52:36,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:52:36,902 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:52:36,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1864384632] [2023-12-02 18:52:36,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:52:36,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:52:36,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:52:36,904 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:52:36,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 18:52:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:52:36,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 18:52:36,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:52:36,991 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:52:36,992 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:52:37,073 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:52:37,074 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:52:37,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338525659] [2023-12-02 18:52:37,074 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 18:52:37,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864384632] [2023-12-02 18:52:37,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864384632] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:52:37,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1689672884] [2023-12-02 18:52:37,078 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2023-12-02 18:52:37,078 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 18:52:37,078 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 18:52:37,079 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 18:52:37,079 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 18:52:37,668 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 60 for LOIs [2023-12-02 18:52:37,695 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 18:52:38,736 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '785#(and (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~r~0#1| 2147483647) (<= 2147483648 (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~r~0#1|)) (<= 0 |ULTIMATE.start_main_~r~0#1|) (<= 1 ~counter~0) (<= ~counter~0 100))' at error location [2023-12-02 18:52:38,736 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 18:52:38,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 18:52:38,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-12-02 18:52:38,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573423301] [2023-12-02 18:52:38,737 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 18:52:38,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 18:52:38,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:52:38,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 18:52:38,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2023-12-02 18:52:38,739 INFO L87 Difference]: Start difference. First operand 59 states and 69 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 18:52:38,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:52:38,828 INFO L93 Difference]: Finished difference Result 70 states and 80 transitions. [2023-12-02 18:52:38,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 18:52:38,829 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 19 [2023-12-02 18:52:38,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:52:38,830 INFO L225 Difference]: With dead ends: 70 [2023-12-02 18:52:38,830 INFO L226 Difference]: Without dead ends: 60 [2023-12-02 18:52:38,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 38 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2023-12-02 18:52:38,831 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 27 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:52:38,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 51 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 18:52:38,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-12-02 18:52:38,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-12-02 18:52:38,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 49 states have (on average 1.0612244897959184) internal successors, (52), 51 states have internal predecessors, (52), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-02 18:52:38,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2023-12-02 18:52:38,840 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 19 [2023-12-02 18:52:38,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:52:38,840 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2023-12-02 18:52:38,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 18:52:38,840 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2023-12-02 18:52:38,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 18:52:38,842 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:52:38,842 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1] [2023-12-02 18:52:38,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 18:52:39,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:52:39,043 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 18:52:39,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:52:39,043 INFO L85 PathProgramCache]: Analyzing trace with hash 6912973, now seen corresponding path program 2 times [2023-12-02 18:52:39,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:52:39,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113171132] [2023-12-02 18:52:39,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:52:39,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:52:39,055 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:52:39,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2073433276] [2023-12-02 18:52:39,056 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 18:52:39,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:52:39,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:52:39,057 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:52:39,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 18:52:39,108 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-12-02 18:52:39,109 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 18:52:39,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 18:52:39,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:52:39,147 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-02 18:52:39,147 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:52:39,147 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:52:39,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113171132] [2023-12-02 18:52:39,147 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 18:52:39,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073433276] [2023-12-02 18:52:39,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073433276] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:52:39,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:52:39,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 18:52:39,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299064226] [2023-12-02 18:52:39,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:52:39,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 18:52:39,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:52:39,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 18:52:39,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 18:52:39,150 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 18:52:39,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:52:39,188 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2023-12-02 18:52:39,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 18:52:39,192 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 52 [2023-12-02 18:52:39,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:52:39,193 INFO L225 Difference]: With dead ends: 60 [2023-12-02 18:52:39,193 INFO L226 Difference]: Without dead ends: 59 [2023-12-02 18:52:39,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 18:52:39,195 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 5 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:52:39,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 30 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:52:39,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-12-02 18:52:39,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-12-02 18:52:39,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 49 states have (on average 1.0408163265306123) internal successors, (51), 50 states have internal predecessors, (51), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-02 18:52:39,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2023-12-02 18:52:39,205 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 52 [2023-12-02 18:52:39,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:52:39,206 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2023-12-02 18:52:39,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 18:52:39,206 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2023-12-02 18:52:39,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 18:52:39,209 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:52:39,209 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1] [2023-12-02 18:52:39,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-02 18:52:39,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-12-02 18:52:39,412 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 18:52:39,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:52:39,413 INFO L85 PathProgramCache]: Analyzing trace with hash -214005821, now seen corresponding path program 2 times [2023-12-02 18:52:39,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:52:39,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581756746] [2023-12-02 18:52:39,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:52:39,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:52:39,428 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:52:39,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1899113268] [2023-12-02 18:52:39,429 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 18:52:39,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:52:39,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:52:39,430 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:52:39,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 18:52:39,656 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-12-02 18:52:39,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 18:52:39,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 18:52:39,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:52:39,757 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 18:52:39,757 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:52:39,977 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:52:39,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581756746] [2023-12-02 18:52:39,977 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 18:52:39,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899113268] [2023-12-02 18:52:39,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899113268] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:52:39,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1470698233] [2023-12-02 18:52:39,979 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2023-12-02 18:52:39,979 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 18:52:39,980 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 18:52:39,980 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 18:52:39,980 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 18:52:40,325 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 60 for LOIs [2023-12-02 18:52:40,346 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 18:52:41,324 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1499#(and (<= 2 ~counter~0) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~r~0#1| 2147483647) (<= 2147483648 (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~r~0#1|)) (<= 1 |ULTIMATE.start_main_~r~0#1|) (<= ~counter~0 100))' at error location [2023-12-02 18:52:41,324 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 18:52:41,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-02 18:52:41,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2023-12-02 18:52:41,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954527786] [2023-12-02 18:52:41,325 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-02 18:52:41,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 18:52:41,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:52:41,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 18:52:41,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2023-12-02 18:52:41,327 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-02 18:52:41,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:52:41,467 INFO L93 Difference]: Finished difference Result 77 states and 79 transitions. [2023-12-02 18:52:41,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 18:52:41,468 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 55 [2023-12-02 18:52:41,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:52:41,469 INFO L225 Difference]: With dead ends: 77 [2023-12-02 18:52:41,469 INFO L226 Difference]: Without dead ends: 73 [2023-12-02 18:52:41,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 102 SyntacticMatches, 10 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=123, Invalid=477, Unknown=0, NotChecked=0, Total=600 [2023-12-02 18:52:41,471 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 37 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:52:41,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 40 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 18:52:41,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-12-02 18:52:41,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2023-12-02 18:52:41,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 58 states have (on average 1.0344827586206897) internal successors, (60), 59 states have internal predecessors, (60), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-12-02 18:52:41,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2023-12-02 18:52:41,484 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 55 [2023-12-02 18:52:41,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:52:41,484 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2023-12-02 18:52:41,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-02 18:52:41,485 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2023-12-02 18:52:41,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 18:52:41,487 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:52:41,487 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 1, 1] [2023-12-02 18:52:41,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-02 18:52:41,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:52:41,688 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 18:52:41,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:52:41,689 INFO L85 PathProgramCache]: Analyzing trace with hash -533496805, now seen corresponding path program 3 times [2023-12-02 18:52:41,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:52:41,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410582533] [2023-12-02 18:52:41,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:52:41,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:52:41,704 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:52:41,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [232220589] [2023-12-02 18:52:41,704 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-02 18:52:41,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:52:41,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:52:41,710 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:52:41,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 18:52:41,784 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-12-02 18:52:41,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 18:52:41,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 18:52:41,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:52:41,891 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 18:52:41,891 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:52:42,155 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 18:52:42,155 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:52:42,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410582533] [2023-12-02 18:52:42,156 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 18:52:42,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232220589] [2023-12-02 18:52:42,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232220589] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:52:42,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1658105846] [2023-12-02 18:52:42,159 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2023-12-02 18:52:42,159 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 18:52:42,160 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 18:52:42,160 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 18:52:42,160 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 18:52:42,587 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 60 for LOIs [2023-12-02 18:52:42,613 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 18:52:44,173 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2103#(and (<= 2 ~counter~0) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~r~0#1| 2147483647) (<= 2147483648 (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~r~0#1|)) (<= 1 |ULTIMATE.start_main_~r~0#1|) (<= ~counter~0 100))' at error location [2023-12-02 18:52:44,173 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 18:52:44,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 18:52:44,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2023-12-02 18:52:44,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657774764] [2023-12-02 18:52:44,173 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 18:52:44,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 18:52:44,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:52:44,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 18:52:44,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2023-12-02 18:52:44,176 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 14 states have internal predecessors, (105), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-02 18:52:44,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:52:44,555 INFO L93 Difference]: Finished difference Result 155 states and 175 transitions. [2023-12-02 18:52:44,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 18:52:44,556 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 14 states have internal predecessors, (105), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Word has length 67 [2023-12-02 18:52:44,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:52:44,558 INFO L225 Difference]: With dead ends: 155 [2023-12-02 18:52:44,558 INFO L226 Difference]: Without dead ends: 139 [2023-12-02 18:52:44,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 166 SyntacticMatches, 12 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=159, Invalid=597, Unknown=0, NotChecked=0, Total=756 [2023-12-02 18:52:44,560 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 78 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 18:52:44,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 272 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 18:52:44,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2023-12-02 18:52:44,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2023-12-02 18:52:44,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 121 states have (on average 1.0165289256198347) internal successors, (123), 122 states have internal predecessors, (123), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 18:52:44,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 147 transitions. [2023-12-02 18:52:44,582 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 147 transitions. Word has length 67 [2023-12-02 18:52:44,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:52:44,582 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 147 transitions. [2023-12-02 18:52:44,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 14 states have internal predecessors, (105), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-02 18:52:44,583 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 147 transitions. [2023-12-02 18:52:44,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-02 18:52:44,586 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:52:44,587 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 1, 1] [2023-12-02 18:52:44,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 18:52:44,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:52:44,788 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 18:52:44,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:52:44,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1825356419, now seen corresponding path program 4 times [2023-12-02 18:52:44,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:52:44,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472910496] [2023-12-02 18:52:44,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:52:44,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:52:44,813 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:52:44,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [769748774] [2023-12-02 18:52:44,814 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-12-02 18:52:44,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:52:44,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:52:44,815 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:52:44,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 18:52:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:52:44,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 18:52:44,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:52:45,181 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 0 proven. 732 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-12-02 18:52:45,182 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:52:45,791 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 0 proven. 732 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-12-02 18:52:45,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:52:45,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472910496] [2023-12-02 18:52:45,791 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 18:52:45,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769748774] [2023-12-02 18:52:45,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769748774] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:52:45,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [569862960] [2023-12-02 18:52:45,794 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2023-12-02 18:52:45,795 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 18:52:45,795 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 18:52:45,795 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 18:52:45,795 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 18:52:46,192 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 60 for LOIs [2023-12-02 18:52:46,210 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 18:52:49,226 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3402#(and (<= 2 ~counter~0) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~r~0#1| 2147483647) (<= 2147483648 (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~r~0#1|)) (<= 1 |ULTIMATE.start_main_~r~0#1|) (<= ~counter~0 100))' at error location [2023-12-02 18:52:49,226 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 18:52:49,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 18:52:49,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2023-12-02 18:52:49,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029685747] [2023-12-02 18:52:49,227 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 18:52:49,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-12-02 18:52:49,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:52:49,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-12-02 18:52:49,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=1082, Unknown=0, NotChecked=0, Total=1332 [2023-12-02 18:52:49,231 INFO L87 Difference]: Start difference. First operand 139 states and 147 transitions. Second operand has 28 states, 27 states have (on average 8.555555555555555) internal successors, (231), 28 states have internal predecessors, (231), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 18:52:50,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:52:50,614 INFO L93 Difference]: Finished difference Result 309 states and 357 transitions. [2023-12-02 18:52:50,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-02 18:52:50,614 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 8.555555555555555) internal successors, (231), 28 states have internal predecessors, (231), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Word has length 151 [2023-12-02 18:52:50,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:52:50,618 INFO L225 Difference]: With dead ends: 309 [2023-12-02 18:52:50,618 INFO L226 Difference]: Without dead ends: 279 [2023-12-02 18:52:50,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 463 GetRequests, 390 SyntacticMatches, 26 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 686 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=586, Invalid=1766, Unknown=0, NotChecked=0, Total=2352 [2023-12-02 18:52:50,621 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 234 mSDsluCounter, 1039 mSDsCounter, 0 mSdLazyCounter, 975 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 1003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 18:52:50,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 1133 Invalid, 1003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 975 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 18:52:50,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2023-12-02 18:52:50,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2023-12-02 18:52:50,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 247 states have (on average 1.008097165991903) internal successors, (249), 248 states have internal predecessors, (249), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 18:52:50,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 301 transitions. [2023-12-02 18:52:50,656 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 301 transitions. Word has length 151 [2023-12-02 18:52:50,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:52:50,657 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 301 transitions. [2023-12-02 18:52:50,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 8.555555555555555) internal successors, (231), 28 states have internal predecessors, (231), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 18:52:50,657 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 301 transitions. [2023-12-02 18:52:50,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2023-12-02 18:52:50,666 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:52:50,666 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 27, 27, 26, 26, 26, 26, 26, 26, 26, 1, 1] [2023-12-02 18:52:50,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-02 18:52:50,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:52:50,867 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 18:52:50,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:52:50,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1799509165, now seen corresponding path program 5 times [2023-12-02 18:52:50,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:52:50,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816607920] [2023-12-02 18:52:50,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:52:50,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:52:50,895 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:52:50,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [553960325] [2023-12-02 18:52:50,895 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 18:52:50,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:52:50,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:52:50,897 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:52:50,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 18:52:51,197 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 27 check-sat command(s) [2023-12-02 18:52:51,197 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 18:52:51,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 18:52:51,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:52:51,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4056 backedges. 0 proven. 3406 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-12-02 18:52:51,897 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:52:53,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4056 backedges. 0 proven. 3406 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-12-02 18:52:53,448 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:52:53,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816607920] [2023-12-02 18:52:53,449 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 18:52:53,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553960325] [2023-12-02 18:52:53,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553960325] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:52:53,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [672037815] [2023-12-02 18:52:53,451 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2023-12-02 18:52:53,451 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 18:52:53,452 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 18:52:53,452 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 18:52:53,452 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 18:52:53,773 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 60 for LOIs [2023-12-02 18:52:53,788 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 18:53:01,233 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6101#(and (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~r~0#1| 2147483647) (<= 2147483648 (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~r~0#1|)) (<= 0 |ULTIMATE.start_main_~r~0#1|) (<= 1 ~counter~0) (<= ~counter~0 100))' at error location [2023-12-02 18:53:01,233 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 18:53:01,233 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 18:53:01,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 55 [2023-12-02 18:53:01,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855884534] [2023-12-02 18:53:01,234 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 18:53:01,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2023-12-02 18:53:01,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:53:01,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2023-12-02 18:53:01,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=865, Invalid=3295, Unknown=0, NotChecked=0, Total=4160 [2023-12-02 18:53:01,242 INFO L87 Difference]: Start difference. First operand 279 states and 301 transitions. Second operand has 56 states, 55 states have (on average 8.781818181818181) internal successors, (483), 56 states have internal predecessors, (483), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-02 18:53:06,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:53:06,863 INFO L93 Difference]: Finished difference Result 617 states and 721 transitions. [2023-12-02 18:53:06,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-02 18:53:06,865 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 55 states have (on average 8.781818181818181) internal successors, (483), 56 states have internal predecessors, (483), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Word has length 319 [2023-12-02 18:53:06,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:53:06,870 INFO L225 Difference]: With dead ends: 617 [2023-12-02 18:53:06,870 INFO L226 Difference]: Without dead ends: 559 [2023-12-02 18:53:06,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 981 GetRequests, 838 SyntacticMatches, 54 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2358 ImplicationChecksByTransitivity, 12.7s TimeCoverageRelationStatistics Valid=2321, Invalid=5869, Unknown=0, NotChecked=0, Total=8190 [2023-12-02 18:53:06,874 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 873 mSDsluCounter, 4454 mSDsCounter, 0 mSdLazyCounter, 3918 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 4646 SdHoareTripleChecker+Invalid, 3975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 3918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-02 18:53:06,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [875 Valid, 4646 Invalid, 3975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 3918 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-02 18:53:06,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2023-12-02 18:53:06,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 559. [2023-12-02 18:53:06,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 499 states have (on average 1.0040080160320641) internal successors, (501), 500 states have internal predecessors, (501), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-12-02 18:53:06,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 609 transitions. [2023-12-02 18:53:06,910 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 609 transitions. Word has length 319 [2023-12-02 18:53:06,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:53:06,911 INFO L495 AbstractCegarLoop]: Abstraction has 559 states and 609 transitions. [2023-12-02 18:53:06,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 55 states have (on average 8.781818181818181) internal successors, (483), 56 states have internal predecessors, (483), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-02 18:53:06,912 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 609 transitions. [2023-12-02 18:53:06,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2023-12-02 18:53:06,926 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:53:06,926 INFO L195 NwaCegarLoop]: trace histogram [55, 55, 55, 55, 55, 54, 54, 54, 54, 54, 54, 54, 1, 1] [2023-12-02 18:53:06,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-02 18:53:07,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:53:07,127 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 18:53:07,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:53:07,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1146004237, now seen corresponding path program 6 times [2023-12-02 18:53:07,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:53:07,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029510035] [2023-12-02 18:53:07,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:53:07,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:53:07,182 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:53:07,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [755988211] [2023-12-02 18:53:07,182 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-02 18:53:07,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:53:07,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:53:07,184 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:53:07,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-02 18:53:07,469 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-12-02 18:53:07,469 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 18:53:07,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 1222 conjuncts, 111 conjunts are in the unsatisfiable core [2023-12-02 18:53:07,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:53:09,138 INFO L134 CoverageAnalysis]: Checked inductivity of 17496 backedges. 0 proven. 14634 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2023-12-02 18:53:09,138 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:53:14,690 INFO L134 CoverageAnalysis]: Checked inductivity of 17496 backedges. 0 proven. 14634 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2023-12-02 18:53:14,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:53:14,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029510035] [2023-12-02 18:53:14,690 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 18:53:14,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755988211] [2023-12-02 18:53:14,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755988211] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:53:14,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [857742390] [2023-12-02 18:53:14,692 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2023-12-02 18:53:14,692 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 18:53:14,693 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 18:53:14,693 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 18:53:14,693 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 18:53:15,036 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 60 for LOIs [2023-12-02 18:53:15,049 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 18:53:36,651 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '11600#(and (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~r~0#1| 2147483647) (<= 2147483648 (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~r~0#1|)) (<= 0 |ULTIMATE.start_main_~r~0#1|) (<= 1 ~counter~0) (<= ~counter~0 100))' at error location [2023-12-02 18:53:36,651 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 18:53:36,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 18:53:36,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 56] total 111 [2023-12-02 18:53:36,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50411081] [2023-12-02 18:53:36,652 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 18:53:36,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2023-12-02 18:53:36,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:53:36,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2023-12-02 18:53:36,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3273, Invalid=11247, Unknown=0, NotChecked=0, Total=14520 [2023-12-02 18:53:36,664 INFO L87 Difference]: Start difference. First operand 559 states and 609 transitions. Second operand has 112 states, 111 states have (on average 8.891891891891891) internal successors, (987), 112 states have internal predecessors, (987), 108 states have call successors, (108), 1 states have call predecessors, (108), 1 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2023-12-02 18:54:01,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:54:01,757 INFO L93 Difference]: Finished difference Result 1233 states and 1449 transitions. [2023-12-02 18:54:01,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2023-12-02 18:54:01,758 INFO L78 Accepts]: Start accepts. Automaton has has 112 states, 111 states have (on average 8.891891891891891) internal successors, (987), 112 states have internal predecessors, (987), 108 states have call successors, (108), 1 states have call predecessors, (108), 1 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) Word has length 655 [2023-12-02 18:54:01,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:54:01,766 INFO L225 Difference]: With dead ends: 1233 [2023-12-02 18:54:01,766 INFO L226 Difference]: Without dead ends: 1119 [2023-12-02 18:54:01,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2017 GetRequests, 1734 SyntacticMatches, 110 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8644 ImplicationChecksByTransitivity, 47.0s TimeCoverageRelationStatistics Valid=9321, Invalid=21129, Unknown=0, NotChecked=0, Total=30450 [2023-12-02 18:54:01,776 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 3250 mSDsluCounter, 18369 mSDsCounter, 0 mSdLazyCounter, 15681 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3252 SdHoareTripleChecker+Valid, 18757 SdHoareTripleChecker+Invalid, 15793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 15681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-12-02 18:54:01,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3252 Valid, 18757 Invalid, 15793 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [112 Valid, 15681 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-12-02 18:54:01,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2023-12-02 18:54:01,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1119. [2023-12-02 18:54:01,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1119 states, 1003 states have (on average 1.0019940179461615) internal successors, (1005), 1004 states have internal predecessors, (1005), 110 states have call successors, (110), 4 states have call predecessors, (110), 4 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2023-12-02 18:54:01,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 1225 transitions. [2023-12-02 18:54:01,833 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 1225 transitions. Word has length 655 [2023-12-02 18:54:01,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:54:01,835 INFO L495 AbstractCegarLoop]: Abstraction has 1119 states and 1225 transitions. [2023-12-02 18:54:01,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 111 states have (on average 8.891891891891891) internal successors, (987), 112 states have internal predecessors, (987), 108 states have call successors, (108), 1 states have call predecessors, (108), 1 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2023-12-02 18:54:01,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1225 transitions. [2023-12-02 18:54:01,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1328 [2023-12-02 18:54:01,848 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:54:01,849 INFO L195 NwaCegarLoop]: trace histogram [111, 111, 111, 111, 111, 110, 110, 110, 110, 110, 110, 110, 1, 1] [2023-12-02 18:54:01,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-12-02 18:54:02,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:54:02,050 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-12-02 18:54:02,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:54:02,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1050673203, now seen corresponding path program 7 times [2023-12-02 18:54:02,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:54:02,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573249992] [2023-12-02 18:54:02,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:54:02,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:54:02,118 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:54:02,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [535370739] [2023-12-02 18:54:02,119 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-12-02 18:54:02,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:54:02,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:54:02,120 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:54:02,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-02 18:54:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:54:02,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 2454 conjuncts, 203 conjunts are in the unsatisfiable core [2023-12-02 18:54:02,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:54:13,446 INFO L134 CoverageAnalysis]: Checked inductivity of 72600 backedges. 71940 proven. 100 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2023-12-02 18:54:13,446 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:54:23,879 INFO L134 CoverageAnalysis]: Checked inductivity of 72600 backedges. 60040 proven. 100 refuted. 0 times theorem prover too weak. 12460 trivial. 0 not checked. [2023-12-02 18:54:23,879 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:54:23,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573249992] [2023-12-02 18:54:23,880 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 18:54:23,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535370739] [2023-12-02 18:54:23,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535370739] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:54:23,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1289349652] [2023-12-02 18:54:23,882 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2023-12-02 18:54:23,882 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 18:54:23,882 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 18:54:23,882 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 18:54:23,882 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 18:54:24,090 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 23 for LOIs [2023-12-02 18:54:24,093 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 18:54:48,060 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '22679#(and (<= 1 |#StackHeapBarrier|) (<= 2147483648 (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~r~0#1|)) (<= 0 |ULTIMATE.start_main_~r~0#1|) (<= 1 ~counter~0) (<= ~counter~0 100))' at error location [2023-12-02 18:54:48,060 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 18:54:48,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 18:54:48,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [203, 204] total 204 [2023-12-02 18:54:48,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364766472] [2023-12-02 18:54:48,062 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 18:54:48,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 204 states [2023-12-02 18:54:48,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:54:48,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 204 interpolants. [2023-12-02 18:54:48,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10545, Invalid=34187, Unknown=0, NotChecked=0, Total=44732 [2023-12-02 18:54:48,075 INFO L87 Difference]: Start difference. First operand 1119 states and 1225 transitions. Second operand has 204 states, 204 states have (on average 4.985294117647059) internal successors, (1017), 204 states have internal predecessors, (1017), 101 states have call successors, (202), 102 states have call predecessors, (202), 102 states have return successors, (202), 101 states have call predecessors, (202), 101 states have call successors, (202) [2023-12-02 18:55:03,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:55:03,501 INFO L93 Difference]: Finished difference Result 1313 states and 1322 transitions. [2023-12-02 18:55:03,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2023-12-02 18:55:03,503 INFO L78 Accepts]: Start accepts. Automaton has has 204 states, 204 states have (on average 4.985294117647059) internal successors, (1017), 204 states have internal predecessors, (1017), 101 states have call successors, (202), 102 states have call predecessors, (202), 102 states have return successors, (202), 101 states have call predecessors, (202), 101 states have call successors, (202) Word has length 1327 [2023-12-02 18:55:03,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:55:03,505 INFO L225 Difference]: With dead ends: 1313 [2023-12-02 18:55:03,506 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 18:55:03,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4180 GetRequests, 3346 SyntacticMatches, 423 SemanticMatches, 411 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107584 ImplicationChecksByTransitivity, 51.2s TimeCoverageRelationStatistics Valid=51552, Invalid=118604, Unknown=0, NotChecked=0, Total=170156 [2023-12-02 18:55:03,518 INFO L413 NwaCegarLoop]: 700 mSDtfsCounter, 302 mSDsluCounter, 6360 mSDsCounter, 0 mSdLazyCounter, 5859 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 7060 SdHoareTripleChecker+Invalid, 5859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 18:55:03,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 7060 Invalid, 5859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5859 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 18:55:03,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 18:55:03,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 18:55:03,519 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 18:55:03,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 18:55:03,519 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1327 [2023-12-02 18:55:03,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:55:03,520 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 18:55:03,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 204 states, 204 states have (on average 4.985294117647059) internal successors, (1017), 204 states have internal predecessors, (1017), 101 states have call successors, (202), 102 states have call predecessors, (202), 102 states have return successors, (202), 101 states have call predecessors, (202), 101 states have call successors, (202) [2023-12-02 18:55:03,521 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 18:55:03,521 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 18:55:03,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-12-02 18:55:03,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-12-02 18:55:03,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-12-02 18:55:03,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-12-02 18:55:03,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-12-02 18:55:03,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-12-02 18:55:03,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-12-02 18:55:03,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-12-02 18:55:03,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-02 18:55:03,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-12-02 18:55:03,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 18:55:12,287 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2023-12-02 18:55:12,287 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2023-12-02 18:55:12,287 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 18:55:12,287 INFO L899 garLoopResultBuilder]: For program point L33-1(line 33) no Hoare annotation was computed. [2023-12-02 18:55:12,287 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-12-02 18:55:12,288 INFO L895 garLoopResultBuilder]: At program point L33-2(line 33) the Hoare annotation is: (let ((.cse1 (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~r~0#1|))) (let ((.cse2 (<= .cse1 2147483647)) (.cse0 (<= ~counter~0 100))) (or (and (<= 24 ~counter~0) .cse0 (= 23 |ULTIMATE.start_main_~r~0#1|)) (and (= |ULTIMATE.start_main_~r~0#1| 38) (<= 39 ~counter~0) .cse0) (and (<= 68 ~counter~0) (<= (+ .cse1 (* 84 |ULTIMATE.start_main_~r~0#1|)) 2147481883) .cse2 .cse0) (and (<= 60 ~counter~0) .cse2 (<= (+ .cse1 (* |ULTIMATE.start_main_~r~0#1| 100)) 2147481147) .cse0) (and (<= 25 ~counter~0) (= |ULTIMATE.start_main_~r~0#1| 24) .cse0) (and (<= 46 ~counter~0) .cse0 (= |ULTIMATE.start_main_~r~0#1| 45)) (and (<= 70 ~counter~0) .cse2 (<= (+ .cse1 (* |ULTIMATE.start_main_~r~0#1| 80)) 2147482047) .cse0) (and (<= 83 ~counter~0) .cse2 (<= (+ (* |ULTIMATE.start_main_~r~0#1| 54) .cse1) 2147482918) .cse0) (and (<= (+ .cse1 (* 66 |ULTIMATE.start_main_~r~0#1|)) 2147482558) (<= 77 ~counter~0) .cse2 .cse0) (and (<= 57 ~counter~0) .cse2 (<= (+ .cse1 (* 106 |ULTIMATE.start_main_~r~0#1|)) 2147480838) .cse0) (and (<= (+ .cse1 (* 108 |ULTIMATE.start_main_~r~0#1|)) 2147480731) (<= 56 ~counter~0) .cse2 .cse0) (and (<= (+ .cse1 (* |ULTIMATE.start_main_~r~0#1| 38)) 2147483286) (<= 91 ~counter~0) .cse2 .cse0) (and (<= 22 ~counter~0) .cse0 (= 21 |ULTIMATE.start_main_~r~0#1|)) (and (<= (+ (* |ULTIMATE.start_main_~r~0#1| 50) .cse1) 2147483022) .cse2 (<= 85 ~counter~0) .cse0) (and (= 5 |ULTIMATE.start_main_~r~0#1|) (<= 6 ~counter~0) .cse0) (and (<= (+ (* 22 |ULTIMATE.start_main_~r~0#1|) .cse1) 2147483526) .cse2 .cse0 (<= 99 ~counter~0)) (and (<= 28 ~counter~0) .cse0 (= |ULTIMATE.start_main_~r~0#1| 27)) (and (<= (+ (* 42 |ULTIMATE.start_main_~r~0#1|) .cse1) 2147483206) .cse2 (<= 89 ~counter~0) .cse0) (and (<= 79 ~counter~0) (<= (+ (* 62 |ULTIMATE.start_main_~r~0#1|) .cse1) 2147482686) .cse2 .cse0) (and .cse2 (<= (+ .cse1 (* |ULTIMATE.start_main_~r~0#1| 36)) 2147483323) .cse0 (<= 92 ~counter~0)) (and (<= (+ .cse1 (* |ULTIMATE.start_main_~r~0#1| 78)) 2147482126) (<= 71 ~counter~0) .cse2 .cse0) (and (= 14 |ULTIMATE.start_main_~r~0#1|) .cse0 (<= 15 ~counter~0)) (and (= |ULTIMATE.start_main_~r~0#1| 0) (= ~counter~0 1)) (and .cse2 (<= (+ .cse1 (* 46 |ULTIMATE.start_main_~r~0#1|)) 2147483118) .cse0 (<= 87 ~counter~0)) (and (= |ULTIMATE.start_main_~r~0#1| 8) (<= 9 ~counter~0) .cse0) (and (<= 17 ~counter~0) (= 16 |ULTIMATE.start_main_~r~0#1|) .cse0) (and (= 49 |ULTIMATE.start_main_~r~0#1|) (<= 50 ~counter~0) .cse0) (and .cse2 (<= (+ .cse1 (* |ULTIMATE.start_main_~r~0#1| 28)) 2147483451) (<= 96 ~counter~0) .cse0) (and (<= (+ (* |ULTIMATE.start_main_~r~0#1| 20) .cse1) 2147483547) .cse2 (= ~counter~0 100)) (and (<= 26 ~counter~0) (= |ULTIMATE.start_main_~r~0#1| 25) .cse0) (and (<= 43 ~counter~0) .cse0 (= 42 |ULTIMATE.start_main_~r~0#1|)) (and (<= 64 ~counter~0) .cse2 .cse0 (<= (+ .cse1 (* 92 |ULTIMATE.start_main_~r~0#1|)) 2147481531)) (and (<= 30 ~counter~0) (= 29 |ULTIMATE.start_main_~r~0#1|) .cse0) (and (= |ULTIMATE.start_main_~r~0#1| 26) (<= 27 ~counter~0) .cse0) (and .cse2 (<= (+ .cse1 (* 44 |ULTIMATE.start_main_~r~0#1|)) 2147483163) .cse0 (<= 88 ~counter~0)) (and (<= 2 ~counter~0) (= |ULTIMATE.start_main_~r~0#1| 1) .cse0) (and (<= (+ (* 94 |ULTIMATE.start_main_~r~0#1|) .cse1) 2147481438) .cse2 (<= 63 ~counter~0) .cse0) (and (= 31 |ULTIMATE.start_main_~r~0#1|) .cse0 (<= 32 ~counter~0)) (and (<= 44 ~counter~0) .cse0 (= |ULTIMATE.start_main_~r~0#1| 43)) (and (<= 84 ~counter~0) (<= (+ .cse1 (* 52 |ULTIMATE.start_main_~r~0#1|)) 2147482971) .cse2 .cse0) (and (= 46 |ULTIMATE.start_main_~r~0#1|) (<= 47 ~counter~0) .cse0) (and (<= 33 ~counter~0) (= 32 |ULTIMATE.start_main_~r~0#1|) .cse0) (and (<= 37 ~counter~0) (= |ULTIMATE.start_main_~r~0#1| 36) .cse0) (and .cse2 (<= (+ .cse1 (* 104 |ULTIMATE.start_main_~r~0#1|)) 2147480943) .cse0 (<= 58 ~counter~0)) (and (<= (+ (* 98 |ULTIMATE.start_main_~r~0#1|) .cse1) 2147481246) .cse2 (<= 61 ~counter~0) .cse0) (and .cse2 (<= 81 ~counter~0) (<= (+ .cse1 (* |ULTIMATE.start_main_~r~0#1| 58)) 2147482806) .cse0) (and (<= (+ .cse1 (* 40 |ULTIMATE.start_main_~r~0#1|)) 2147483247) .cse2 (<= 90 ~counter~0) .cse0) (and (<= (+ .cse1 (* 64 |ULTIMATE.start_main_~r~0#1|)) 2147482623) .cse2 (<= 78 ~counter~0) .cse0) (and (= 19 |ULTIMATE.start_main_~r~0#1|) .cse0 (<= 20 ~counter~0)) (and (= |ULTIMATE.start_main_~r~0#1| 11) (<= 12 ~counter~0) .cse0) (and (= 47 |ULTIMATE.start_main_~r~0#1|) (<= 48 ~counter~0) .cse0) (and (= |ULTIMATE.start_main_~r~0#1| 39) .cse0 (<= 40 ~counter~0)) (and (= |ULTIMATE.start_main_~r~0#1| 37) (<= 38 ~counter~0) .cse0) (and (<= 62 ~counter~0) .cse2 (<= (+ .cse1 (* |ULTIMATE.start_main_~r~0#1| 96)) 2147481343) .cse0) (and (<= 49 ~counter~0) .cse0 (= |ULTIMATE.start_main_~r~0#1| 48)) (and (<= (+ .cse1 (* 88 |ULTIMATE.start_main_~r~0#1|)) 2147481711) (<= 66 ~counter~0) .cse2 .cse0) (and (<= 45 ~counter~0) .cse0 (= 44 |ULTIMATE.start_main_~r~0#1|)) (and (<= 75 ~counter~0) .cse2 .cse0 (<= (+ .cse1 (* |ULTIMATE.start_main_~r~0#1| 70)) 2147482422)) (and (= 22 |ULTIMATE.start_main_~r~0#1|) (<= 23 ~counter~0) .cse0) (and .cse2 (<= (+ (* 32 |ULTIMATE.start_main_~r~0#1|) .cse1) 2147483391) (<= 94 ~counter~0) .cse0) (and .cse2 (<= 76 ~counter~0) .cse0 (<= (+ .cse1 (* 68 |ULTIMATE.start_main_~r~0#1|)) 2147482491)) (and (<= 34 ~counter~0) (= |ULTIMATE.start_main_~r~0#1| 33) .cse0) (and .cse0 (<= 4 ~counter~0) (= 3 |ULTIMATE.start_main_~r~0#1|)) (and (= |ULTIMATE.start_main_~r~0#1| 34) .cse0 (<= 35 ~counter~0)) (and (= 6 |ULTIMATE.start_main_~r~0#1|) (<= 7 ~counter~0) .cse0) (and (<= 52 ~counter~0) (= 51 |ULTIMATE.start_main_~r~0#1|) .cse0) (and (= |ULTIMATE.start_main_~r~0#1| 50) (<= 51 ~counter~0) .cse0) (and .cse0 (= 2 |ULTIMATE.start_main_~r~0#1|) (<= 3 ~counter~0)) (and .cse2 (<= (+ (* |ULTIMATE.start_main_~r~0#1| 90) .cse1) 2147481622) .cse0 (<= 65 ~counter~0)) (and .cse2 (<= 86 ~counter~0) .cse0 (<= (+ .cse1 (* |ULTIMATE.start_main_~r~0#1| 48)) 2147483071)) (and (<= 98 ~counter~0) .cse2 (<= (+ .cse1 (* |ULTIMATE.start_main_~r~0#1| 24)) 2147483503) .cse0) (and .cse2 (<= (+ .cse1 (* 30 |ULTIMATE.start_main_~r~0#1|)) 2147483422) .cse0 (<= 95 ~counter~0)) (and .cse2 (<= 69 ~counter~0) .cse0 (<= (+ .cse1 (* 82 |ULTIMATE.start_main_~r~0#1|)) 2147481966)) (and (= 35 |ULTIMATE.start_main_~r~0#1|) .cse0 (<= 36 ~counter~0)) (and (<= 14 ~counter~0) .cse0 (= |ULTIMATE.start_main_~r~0#1| 13)) (and (= |ULTIMATE.start_main_~r~0#1| 20) (<= 21 ~counter~0) .cse0) (and (<= 82 ~counter~0) .cse2 .cse0 (<= (+ .cse1 (* 56 |ULTIMATE.start_main_~r~0#1|)) 2147482863)) (and (<= 73 ~counter~0) .cse2 .cse0 (<= (+ .cse1 (* |ULTIMATE.start_main_~r~0#1| 74)) 2147482278)) (and (<= 11 ~counter~0) (= |ULTIMATE.start_main_~r~0#1| 10) .cse0) (and .cse0 (= 53 |ULTIMATE.start_main_~r~0#1|) (<= 54 ~counter~0)) (and (<= 59 ~counter~0) (<= (+ .cse1 (* |ULTIMATE.start_main_~r~0#1| 102)) 2147481046) .cse2 .cse0) (and (= |ULTIMATE.start_main_~r~0#1| 4) .cse0 (<= 5 ~counter~0)) (and (<= 31 ~counter~0) (= 30 |ULTIMATE.start_main_~r~0#1|) .cse0) (and (<= 29 ~counter~0) (= |ULTIMATE.start_main_~r~0#1| 28) .cse0) (and (<= (+ .cse1 (* |ULTIMATE.start_main_~r~0#1| 60)) 2147482747) .cse2 (<= 80 ~counter~0) .cse0) (and (= 52 |ULTIMATE.start_main_~r~0#1|) .cse0 (<= 53 ~counter~0)) (and (<= 42 ~counter~0) .cse0 (= 41 |ULTIMATE.start_main_~r~0#1|)) (and (<= (+ .cse1 (* |ULTIMATE.start_main_~r~0#1| 86)) 2147481798) .cse2 .cse0 (<= 67 ~counter~0)) (and (<= (+ (* |ULTIMATE.start_main_~r~0#1| 34) .cse1) 2147483358) .cse2 .cse0 (<= 93 ~counter~0)) (and .cse2 (<= 74 ~counter~0) .cse0 (<= (+ (* 72 |ULTIMATE.start_main_~r~0#1|) .cse1) 2147482351)) (and (= 7 |ULTIMATE.start_main_~r~0#1|) (<= 8 ~counter~0) .cse0) (and (<= 13 ~counter~0) (= |ULTIMATE.start_main_~r~0#1| 12) .cse0) (and (= 9 |ULTIMATE.start_main_~r~0#1|) (<= 10 ~counter~0) .cse0) (and (<= 18 ~counter~0) .cse0 (= |ULTIMATE.start_main_~r~0#1| 17)) (and .cse2 (<= (+ .cse1 (* 76 |ULTIMATE.start_main_~r~0#1|)) 2147482203) .cse0 (<= 72 ~counter~0)) (and (= |ULTIMATE.start_main_~r~0#1| 54) .cse0 (<= 55 ~counter~0)) (and (= |ULTIMATE.start_main_~r~0#1| 15) (<= 16 ~counter~0) .cse0) (and .cse0 (<= 19 ~counter~0) (= |ULTIMATE.start_main_~r~0#1| 18)) (and .cse0 (<= 41 ~counter~0) (= 40 |ULTIMATE.start_main_~r~0#1|)) (and (<= 97 ~counter~0) .cse2 (<= (+ .cse1 (* |ULTIMATE.start_main_~r~0#1| 26)) 2147483478) .cse0)))) [2023-12-02 18:55:12,288 INFO L899 garLoopResultBuilder]: For program point L33-3(lines 32 39) no Hoare annotation was computed. [2023-12-02 18:55:12,288 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-12-02 18:55:12,288 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 18:55:12,289 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2023-12-02 18:55:12,289 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-12-02 18:55:12,289 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2023-12-02 18:55:12,289 INFO L899 garLoopResultBuilder]: For program point L32-1(line 32) no Hoare annotation was computed. [2023-12-02 18:55:12,289 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2023-12-02 18:55:12,289 INFO L899 garLoopResultBuilder]: For program point L32-2(line 32) no Hoare annotation was computed. [2023-12-02 18:55:12,289 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-12-02 18:55:12,289 INFO L899 garLoopResultBuilder]: For program point L32-3(lines 32 39) no Hoare annotation was computed. [2023-12-02 18:55:12,289 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-12-02 18:55:12,290 INFO L895 garLoopResultBuilder]: At program point L32-5(lines 32 39) the Hoare annotation is: (let ((.cse0 (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~r~0#1|))) (let ((.cse1 (<= .cse0 2147483647)) (.cse2 (<= ~counter~0 100))) (or (and (<= 70 ~counter~0) (<= (+ .cse0 (* |ULTIMATE.start_main_~r~0#1| 78)) 2147482126) .cse1 .cse2) (and .cse1 (<= 63 ~counter~0) .cse2 (<= (+ .cse0 (* 92 |ULTIMATE.start_main_~r~0#1|)) 2147481531)) (and (<= 56 ~counter~0) .cse1 (<= (+ .cse0 (* 106 |ULTIMATE.start_main_~r~0#1|)) 2147480838) .cse2) (and (<= 29 ~counter~0) (= 29 |ULTIMATE.start_main_~r~0#1|) .cse2) (and (= |ULTIMATE.start_main_~r~0#1| 24) (<= 24 ~counter~0) .cse2) (and (<= 27 ~counter~0) .cse2 (= |ULTIMATE.start_main_~r~0#1| 27)) (and .cse1 .cse2 (<= 72 ~counter~0) (<= (+ .cse0 (* |ULTIMATE.start_main_~r~0#1| 74)) 2147482278)) (and (= 35 |ULTIMATE.start_main_~r~0#1|) .cse2 (<= 35 ~counter~0)) (and (= 5 |ULTIMATE.start_main_~r~0#1|) .cse2 (<= 5 ~counter~0)) (and (= |ULTIMATE.start_main_~r~0#1| 28) (<= 28 ~counter~0) .cse2) (and (<= (+ .cse0 (* |ULTIMATE.start_main_~r~0#1| 38)) 2147483286) .cse1 (<= 90 ~counter~0) .cse2) (and (<= 12 ~counter~0) (= |ULTIMATE.start_main_~r~0#1| 12) .cse2) (and (<= 52 ~counter~0) (= 52 |ULTIMATE.start_main_~r~0#1|) .cse2) (and .cse1 (<= 94 ~counter~0) (<= (+ .cse0 (* 30 |ULTIMATE.start_main_~r~0#1|)) 2147483422) .cse2) (and .cse2 (= 40 |ULTIMATE.start_main_~r~0#1|) (<= 40 ~counter~0)) (and (<= (+ .cse0 (* 40 |ULTIMATE.start_main_~r~0#1|)) 2147483247) .cse1 (<= 89 ~counter~0) .cse2) (and (<= 21 ~counter~0) .cse2 (= 21 |ULTIMATE.start_main_~r~0#1|)) (and (<= 51 ~counter~0) (= 51 |ULTIMATE.start_main_~r~0#1|) .cse2) (and (<= 13 ~counter~0) .cse2 (= |ULTIMATE.start_main_~r~0#1| 13)) (and (= |ULTIMATE.start_main_~r~0#1| 36) .cse2 (<= 36 ~counter~0)) (and .cse2 (= 3 |ULTIMATE.start_main_~r~0#1|) (<= 3 ~counter~0)) (and (<= (+ .cse0 (* 108 |ULTIMATE.start_main_~r~0#1|)) 2147480731) .cse1 .cse2 (<= 55 ~counter~0)) (and (= |ULTIMATE.start_main_~r~0#1| 37) (<= 37 ~counter~0) .cse2) (and (<= 75 ~counter~0) .cse1 .cse2 (<= (+ .cse0 (* 68 |ULTIMATE.start_main_~r~0#1|)) 2147482491)) (and (<= 43 ~counter~0) .cse2 (= |ULTIMATE.start_main_~r~0#1| 43)) (and (<= 45 ~counter~0) .cse2 (= |ULTIMATE.start_main_~r~0#1| 45)) (and (<= 18 ~counter~0) .cse2 (= |ULTIMATE.start_main_~r~0#1| 18)) (and (<= 97 ~counter~0) .cse1 (<= (+ .cse0 (* |ULTIMATE.start_main_~r~0#1| 24)) 2147483503) .cse2) (and (<= (+ .cse0 (* |ULTIMATE.start_main_~r~0#1| 60)) 2147482747) (<= 79 ~counter~0) .cse1 .cse2) (and .cse1 (<= (+ .cse0 (* |ULTIMATE.start_main_~r~0#1| 18)) 2147483566) (= ~counter~0 100)) (and (<= (+ .cse0 (* |ULTIMATE.start_main_~r~0#1| 102)) 2147481046) .cse1 .cse2 (<= 58 ~counter~0)) (and (<= 64 ~counter~0) .cse1 (<= (+ (* |ULTIMATE.start_main_~r~0#1| 90) .cse0) 2147481622) .cse2) (and .cse1 (<= (+ (* 32 |ULTIMATE.start_main_~r~0#1|) .cse0) 2147483391) .cse2 (<= 93 ~counter~0)) (and .cse1 (<= (+ .cse0 (* |ULTIMATE.start_main_~r~0#1| 80)) 2147482047) (<= 69 ~counter~0) .cse2) (and (<= 83 ~counter~0) (<= (+ .cse0 (* 52 |ULTIMATE.start_main_~r~0#1|)) 2147482971) .cse1 .cse2) (and .cse1 (<= 86 ~counter~0) (<= (+ .cse0 (* 46 |ULTIMATE.start_main_~r~0#1|)) 2147483118) .cse2) (and (= |ULTIMATE.start_main_~r~0#1| 8) (<= 8 ~counter~0) .cse2) (and (= |ULTIMATE.start_main_~r~0#1| 50) (<= 50 ~counter~0) .cse2) (and (<= (+ .cse0 (* 66 |ULTIMATE.start_main_~r~0#1|)) 2147482558) .cse1 (<= 76 ~counter~0) .cse2) (and (<= 11 ~counter~0) (= |ULTIMATE.start_main_~r~0#1| 11) .cse2) (and (<= 71 ~counter~0) .cse1 (<= (+ .cse0 (* 76 |ULTIMATE.start_main_~r~0#1|)) 2147482203) .cse2) (and (<= 39 ~counter~0) (= |ULTIMATE.start_main_~r~0#1| 39) .cse2) (and (<= 2 ~counter~0) .cse2 (= 2 |ULTIMATE.start_main_~r~0#1|)) (and (= 32 |ULTIMATE.start_main_~r~0#1|) .cse2 (<= 32 ~counter~0)) (and (<= 30 ~counter~0) (= 30 |ULTIMATE.start_main_~r~0#1|) .cse2) (and .cse1 (<= (+ .cse0 (* 44 |ULTIMATE.start_main_~r~0#1|)) 2147483163) .cse2 (<= 87 ~counter~0)) (and (<= (+ (* |ULTIMATE.start_main_~r~0#1| 34) .cse0) 2147483358) .cse1 .cse2 (<= 92 ~counter~0)) (and (= |ULTIMATE.start_main_~r~0#1| 38) (<= 38 ~counter~0) .cse2) (and (= |ULTIMATE.start_main_~r~0#1| 0) (= ~counter~0 0)) (and (<= 33 ~counter~0) (= |ULTIMATE.start_main_~r~0#1| 33) .cse2) (and (<= 31 ~counter~0) (= 31 |ULTIMATE.start_main_~r~0#1|) .cse2) (and (= |ULTIMATE.start_main_~r~0#1| 26) (<= 26 ~counter~0) .cse2) (and (<= 48 ~counter~0) .cse2 (= |ULTIMATE.start_main_~r~0#1| 48)) (and (<= 17 ~counter~0) .cse2 (= |ULTIMATE.start_main_~r~0#1| 17)) (and .cse1 (<= 81 ~counter~0) .cse2 (<= (+ .cse0 (* 56 |ULTIMATE.start_main_~r~0#1|)) 2147482863)) (and (= 7 |ULTIMATE.start_main_~r~0#1|) (<= 7 ~counter~0) .cse2) (and (<= 73 ~counter~0) .cse1 .cse2 (<= (+ (* 72 |ULTIMATE.start_main_~r~0#1|) .cse0) 2147482351)) (and (<= (+ (* |ULTIMATE.start_main_~r~0#1| 20) .cse0) 2147483547) .cse1 .cse2 (<= 99 ~counter~0)) (and (<= (+ .cse0 (* 84 |ULTIMATE.start_main_~r~0#1|)) 2147481883) .cse1 .cse2 (<= 67 ~counter~0)) (and (= |ULTIMATE.start_main_~r~0#1| 1) (= ~counter~0 1)) (and (<= 59 ~counter~0) .cse1 (<= (+ .cse0 (* |ULTIMATE.start_main_~r~0#1| 100)) 2147481147) .cse2) (and (<= 91 ~counter~0) .cse1 (<= (+ .cse0 (* |ULTIMATE.start_main_~r~0#1| 36)) 2147483323) .cse2) (and (<= 98 ~counter~0) (<= (+ (* 22 |ULTIMATE.start_main_~r~0#1|) .cse0) 2147483526) .cse1 .cse2) (and .cse1 (<= 80 ~counter~0) (<= (+ .cse0 (* |ULTIMATE.start_main_~r~0#1| 58)) 2147482806) .cse2) (and (= |ULTIMATE.start_main_~r~0#1| 10) (<= 10 ~counter~0) .cse2) (and (= 6 |ULTIMATE.start_main_~r~0#1|) (<= 6 ~counter~0) .cse2) (and (= |ULTIMATE.start_main_~r~0#1| 4) .cse2 (<= 4 ~counter~0)) (and .cse1 (<= (+ .cse0 (* |ULTIMATE.start_main_~r~0#1| 26)) 2147483478) (<= 96 ~counter~0) .cse2) (and (<= 77 ~counter~0) (<= (+ .cse0 (* 64 |ULTIMATE.start_main_~r~0#1|)) 2147482623) .cse1 .cse2) (and (<= 82 ~counter~0) .cse1 (<= (+ (* |ULTIMATE.start_main_~r~0#1| 54) .cse0) 2147482918) .cse2) (and (= 49 |ULTIMATE.start_main_~r~0#1|) (<= 49 ~counter~0) .cse2) (and (= |ULTIMATE.start_main_~r~0#1| 34) (<= 34 ~counter~0) .cse2) (and .cse1 (<= 74 ~counter~0) .cse2 (<= (+ .cse0 (* |ULTIMATE.start_main_~r~0#1| 70)) 2147482422)) (and (<= 25 ~counter~0) (= |ULTIMATE.start_main_~r~0#1| 25) .cse2) (and .cse1 (<= 85 ~counter~0) .cse2 (<= (+ .cse0 (* |ULTIMATE.start_main_~r~0#1| 48)) 2147483071)) (and .cse2 (= 41 |ULTIMATE.start_main_~r~0#1|) (<= 41 ~counter~0)) (and (= 16 |ULTIMATE.start_main_~r~0#1|) (<= 16 ~counter~0) .cse2) (and (= 9 |ULTIMATE.start_main_~r~0#1|) (<= 9 ~counter~0) .cse2) (and (<= 68 ~counter~0) .cse1 .cse2 (<= (+ .cse0 (* 82 |ULTIMATE.start_main_~r~0#1|)) 2147481966)) (and (<= (+ (* 98 |ULTIMATE.start_main_~r~0#1|) .cse0) 2147481246) (<= 60 ~counter~0) .cse1 .cse2) (and (<= 14 ~counter~0) (= 14 |ULTIMATE.start_main_~r~0#1|) .cse2) (and (<= 84 ~counter~0) (<= (+ (* |ULTIMATE.start_main_~r~0#1| 50) .cse0) 2147483022) .cse1 .cse2) (and .cse2 (= 53 |ULTIMATE.start_main_~r~0#1|) (<= 53 ~counter~0)) (and (<= 62 ~counter~0) (<= (+ (* 94 |ULTIMATE.start_main_~r~0#1|) .cse0) 2147481438) .cse1 .cse2) (and (= 22 |ULTIMATE.start_main_~r~0#1|) (<= 22 ~counter~0) .cse2) (and (<= 57 ~counter~0) .cse1 (<= (+ .cse0 (* 104 |ULTIMATE.start_main_~r~0#1|)) 2147480943) .cse2) (and (<= 46 ~counter~0) (= 46 |ULTIMATE.start_main_~r~0#1|) .cse2) (and (<= (+ .cse0 (* 88 |ULTIMATE.start_main_~r~0#1|)) 2147481711) .cse1 .cse2 (<= 65 ~counter~0)) (and (= |ULTIMATE.start_main_~r~0#1| 20) .cse2 (<= 20 ~counter~0)) (and (= 19 |ULTIMATE.start_main_~r~0#1|) .cse2 (<= 19 ~counter~0)) (and (= |ULTIMATE.start_main_~r~0#1| 15) .cse2 (<= 15 ~counter~0)) (and (<= (+ (* 62 |ULTIMATE.start_main_~r~0#1|) .cse0) 2147482686) .cse1 (<= 78 ~counter~0) .cse2) (and (<= 23 ~counter~0) .cse2 (= 23 |ULTIMATE.start_main_~r~0#1|)) (and .cse1 (<= (+ .cse0 (* |ULTIMATE.start_main_~r~0#1| 28)) 2147483451) .cse2 (<= 95 ~counter~0)) (and (= 47 |ULTIMATE.start_main_~r~0#1|) (<= 47 ~counter~0) .cse2) (and (<= (+ (* 42 |ULTIMATE.start_main_~r~0#1|) .cse0) 2147483206) .cse1 .cse2 (<= 88 ~counter~0)) (and (<= 42 ~counter~0) .cse2 (= 42 |ULTIMATE.start_main_~r~0#1|)) (and (= |ULTIMATE.start_main_~r~0#1| 54) .cse2 (<= 54 ~counter~0)) (and .cse1 (<= 61 ~counter~0) (<= (+ .cse0 (* |ULTIMATE.start_main_~r~0#1| 96)) 2147481343) .cse2) (and (<= 44 ~counter~0) .cse2 (= 44 |ULTIMATE.start_main_~r~0#1|)) (and (<= 66 ~counter~0) (<= (+ .cse0 (* |ULTIMATE.start_main_~r~0#1| 86)) 2147481798) .cse1 .cse2)))) [2023-12-02 18:55:12,290 INFO L899 garLoopResultBuilder]: For program point L32-6(lines 32 39) no Hoare annotation was computed. [2023-12-02 18:55:12,291 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-12-02 18:55:12,291 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2023-12-02 18:55:12,291 INFO L902 garLoopResultBuilder]: At program point L41-1(line 41) the Hoare annotation is: true [2023-12-02 18:55:12,291 INFO L899 garLoopResultBuilder]: For program point L41-2(line 41) no Hoare annotation was computed. [2023-12-02 18:55:12,291 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 16 22) no Hoare annotation was computed. [2023-12-02 18:55:12,291 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 16 22) the Hoare annotation is: true [2023-12-02 18:55:12,294 INFO L445 BasicCegarLoop]: Path program histogram: [7, 2, 1, 1, 1, 1] [2023-12-02 18:55:12,295 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 18:55:12,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:55:12 BoogieIcfgContainer [2023-12-02 18:55:12,322 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 18:55:12,322 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 18:55:12,322 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 18:55:12,322 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 18:55:12,323 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:52:32" (3/4) ... [2023-12-02 18:55:12,324 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 18:55:12,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-02 18:55:12,329 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-12-02 18:55:12,329 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-02 18:55:12,330 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 18:55:12,330 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 18:55:12,430 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 18:55:12,430 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 18:55:12,430 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 18:55:12,431 INFO L158 Benchmark]: Toolchain (without parser) took 161023.78ms. Allocated memory was 201.3MB in the beginning and 612.4MB in the end (delta: 411.0MB). Free memory was 170.0MB in the beginning and 489.6MB in the end (delta: -319.7MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. [2023-12-02 18:55:12,431 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:55:12,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.63ms. Allocated memory is still 201.3MB. Free memory was 169.7MB in the beginning and 163.1MB in the end (delta: 6.6MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2023-12-02 18:55:12,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.37ms. Allocated memory is still 201.3MB. Free memory was 163.1MB in the beginning and 161.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 18:55:12,432 INFO L158 Benchmark]: Boogie Preprocessor took 21.90ms. Allocated memory is still 201.3MB. Free memory was 161.0MB in the beginning and 159.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 18:55:12,433 INFO L158 Benchmark]: RCFGBuilder took 349.11ms. Allocated memory is still 201.3MB. Free memory was 159.9MB in the beginning and 166.9MB in the end (delta: -7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 18:55:12,433 INFO L158 Benchmark]: TraceAbstraction took 160215.15ms. Allocated memory was 201.3MB in the beginning and 612.4MB in the end (delta: 411.0MB). Free memory was 165.8MB in the beginning and 493.8MB in the end (delta: -328.0MB). Peak memory consumption was 412.2MB. Max. memory is 16.1GB. [2023-12-02 18:55:12,433 INFO L158 Benchmark]: Witness Printer took 108.27ms. Allocated memory is still 612.4MB. Free memory was 493.8MB in the beginning and 489.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 18:55:12,435 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.63ms. Allocated memory is still 201.3MB. Free memory was 169.7MB in the beginning and 163.1MB in the end (delta: 6.6MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.37ms. Allocated memory is still 201.3MB. Free memory was 163.1MB in the beginning and 161.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.90ms. Allocated memory is still 201.3MB. Free memory was 161.0MB in the beginning and 159.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 349.11ms. Allocated memory is still 201.3MB. Free memory was 159.9MB in the beginning and 166.9MB in the end (delta: -7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 160215.15ms. Allocated memory was 201.3MB in the beginning and 612.4MB in the end (delta: 411.0MB). Free memory was 165.8MB in the beginning and 493.8MB in the end (delta: -328.0MB). Peak memory consumption was 412.2MB. Max. memory is 16.1GB. * Witness Printer took 108.27ms. Allocated memory is still 612.4MB. Free memory was 493.8MB in the beginning and 489.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 26 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 160.1s, OverallIterations: 13, TraceHistogramMax: 111, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.1s, AutomataDifference: 48.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4895 SdHoareTripleChecker+Valid, 9.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4883 mSDsluCounter, 32206 SdHoareTripleChecker+Invalid, 7.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30667 mSDsCounter, 245 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26893 IncrementalHoareTripleChecker+Invalid, 27138 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 245 mSolverCounterUnsat, 1539 mSDtfsCounter, 26893 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8170 GetRequests, 6705 SyntacticMatches, 642 SemanticMatches, 823 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120015 ImplicationChecksByTransitivity, 120.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1119occurred in iteration=12, InterpolantAutomatonStates: 563, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 115 PreInvPairs, 317 NumberOfFragments, 3000 HoareAnnotationTreeSize, 115 FomulaSimplifications, 5318 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 4 FomulaSimplificationsInter, 1698 FormulaSimplificationTreeSizeReductionInter, 7.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 32.9s InterpolantComputationTime, 2689 NumberOfCodeBlocks, 2653 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 5223 ConstructedInterpolants, 0 QuantifiedInterpolants, 19921 SizeOfPredicates, 208 NumberOfNonLiveVariables, 5088 ConjunctsInSsa, 439 ConjunctsInUnsatCore, 20 InterpolantComputations, 5 PerfectInterpolantSequences, 152426/190532 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((70 <= counter) && (((r * r) + (r * 78)) <= 2147482126)) && ((r * r) <= 2147483647)) && (counter <= 100)) || (((((r * r) <= 2147483647) && (63 <= counter)) && (counter <= 100)) && (((r * r) + (92 * r)) <= 2147481531))) || ((((56 <= counter) && ((r * r) <= 2147483647)) && (((r * r) + (106 * r)) <= 2147480838)) && (counter <= 100))) || (((29 <= counter) && (29 == r)) && (counter <= 100))) || (((r == 24) && (24 <= counter)) && (counter <= 100))) || (((27 <= counter) && (counter <= 100)) && (r == 27))) || (((((r * r) <= 2147483647) && (counter <= 100)) && (72 <= counter)) && (((r * r) + (r * 74)) <= 2147482278))) || (((35 == r) && (counter <= 100)) && (35 <= counter))) || (((5 == r) && (counter <= 100)) && (5 <= counter))) || (((r == 28) && (28 <= counter)) && (counter <= 100))) || ((((((r * r) + (r * 38)) <= 2147483286) && ((r * r) <= 2147483647)) && (90 <= counter)) && (counter <= 100))) || (((12 <= counter) && (r == 12)) && (counter <= 100))) || (((52 <= counter) && (52 == r)) && (counter <= 100))) || (((((r * r) <= 2147483647) && (94 <= counter)) && (((r * r) + (30 * r)) <= 2147483422)) && (counter <= 100))) || (((counter <= 100) && (40 == r)) && (40 <= counter))) || ((((((r * r) + (40 * r)) <= 2147483247) && ((r * r) <= 2147483647)) && (89 <= counter)) && (counter <= 100))) || (((21 <= counter) && (counter <= 100)) && (21 == r))) || (((51 <= counter) && (51 == r)) && (counter <= 100))) || (((13 <= counter) && (counter <= 100)) && (r == 13))) || (((r == 36) && (counter <= 100)) && (36 <= counter))) || (((counter <= 100) && (3 == r)) && (3 <= counter))) || ((((((r * r) + (108 * r)) <= 2147480731) && ((r * r) <= 2147483647)) && (counter <= 100)) && (55 <= counter))) || (((r == 37) && (37 <= counter)) && (counter <= 100))) || ((((75 <= counter) && ((r * r) <= 2147483647)) && (counter <= 100)) && (((r * r) + (68 * r)) <= 2147482491))) || (((43 <= counter) && (counter <= 100)) && (r == 43))) || (((45 <= counter) && (counter <= 100)) && (r == 45))) || (((18 <= counter) && (counter <= 100)) && (r == 18))) || ((((97 <= counter) && ((r * r) <= 2147483647)) && (((r * r) + (r * 24)) <= 2147483503)) && (counter <= 100))) || ((((((r * r) + (r * 60)) <= 2147482747) && (79 <= counter)) && ((r * r) <= 2147483647)) && (counter <= 100))) || ((((r * r) <= 2147483647) && (((r * r) + (r * 18)) <= 2147483566)) && (counter == 100))) || ((((((r * r) + (r * 102)) <= 2147481046) && ((r * r) <= 2147483647)) && (counter <= 100)) && (58 <= counter))) || ((((64 <= counter) && ((r * r) <= 2147483647)) && (((r * 90) + (r * r)) <= 2147481622)) && (counter <= 100))) || (((((r * r) <= 2147483647) && (((32 * r) + (r * r)) <= 2147483391)) && (counter <= 100)) && (93 <= counter))) || (((((r * r) <= 2147483647) && (((r * r) + (r * 80)) <= 2147482047)) && (69 <= counter)) && (counter <= 100))) || ((((83 <= counter) && (((r * r) + (52 * r)) <= 2147482971)) && ((r * r) <= 2147483647)) && (counter <= 100))) || (((((r * r) <= 2147483647) && (86 <= counter)) && (((r * r) + (46 * r)) <= 2147483118)) && (counter <= 100))) || (((r == 8) && (8 <= counter)) && (counter <= 100))) || (((r == 50) && (50 <= counter)) && (counter <= 100))) || ((((((r * r) + (66 * r)) <= 2147482558) && ((r * r) <= 2147483647)) && (76 <= counter)) && (counter <= 100))) || (((11 <= counter) && (r == 11)) && (counter <= 100))) || ((((71 <= counter) && ((r * r) <= 2147483647)) && (((r * r) + (76 * r)) <= 2147482203)) && (counter <= 100))) || (((39 <= counter) && (r == 39)) && (counter <= 100))) || (((2 <= counter) && (counter <= 100)) && (2 == r))) || (((32 == r) && (counter <= 100)) && (32 <= counter))) || (((30 <= counter) && (30 == r)) && (counter <= 100))) || (((((r * r) <= 2147483647) && (((r * r) + (44 * r)) <= 2147483163)) && (counter <= 100)) && (87 <= counter))) || ((((((r * 34) + (r * r)) <= 2147483358) && ((r * r) <= 2147483647)) && (counter <= 100)) && (92 <= counter))) || (((r == 38) && (38 <= counter)) && (counter <= 100))) || ((r == 0) && (counter == 0))) || (((33 <= counter) && (r == 33)) && (counter <= 100))) || (((31 <= counter) && (31 == r)) && (counter <= 100))) || (((r == 26) && (26 <= counter)) && (counter <= 100))) || (((48 <= counter) && (counter <= 100)) && (r == 48))) || (((17 <= counter) && (counter <= 100)) && (r == 17))) || (((((r * r) <= 2147483647) && (81 <= counter)) && (counter <= 100)) && (((r * r) + (56 * r)) <= 2147482863))) || (((7 == r) && (7 <= counter)) && (counter <= 100))) || ((((73 <= counter) && ((r * r) <= 2147483647)) && (counter <= 100)) && (((72 * r) + (r * r)) <= 2147482351))) || ((((((r * 20) + (r * r)) <= 2147483547) && ((r * r) <= 2147483647)) && (counter <= 100)) && (99 <= counter))) || ((((((r * r) + (84 * r)) <= 2147481883) && ((r * r) <= 2147483647)) && (counter <= 100)) && (67 <= counter))) || ((r == 1) && (counter == 1))) || ((((59 <= counter) && ((r * r) <= 2147483647)) && (((r * r) + (r * 100)) <= 2147481147)) && (counter <= 100))) || ((((91 <= counter) && ((r * r) <= 2147483647)) && (((r * r) + (r * 36)) <= 2147483323)) && (counter <= 100))) || ((((98 <= counter) && (((22 * r) + (r * r)) <= 2147483526)) && ((r * r) <= 2147483647)) && (counter <= 100))) || (((((r * r) <= 2147483647) && (80 <= counter)) && (((r * r) + (r * 58)) <= 2147482806)) && (counter <= 100))) || (((r == 10) && (10 <= counter)) && (counter <= 100))) || (((6 == r) && (6 <= counter)) && (counter <= 100))) || (((r == 4) && (counter <= 100)) && (4 <= counter))) || (((((r * r) <= 2147483647) && (((r * r) + (r * 26)) <= 2147483478)) && (96 <= counter)) && (counter <= 100))) || ((((77 <= counter) && (((r * r) + (64 * r)) <= 2147482623)) && ((r * r) <= 2147483647)) && (counter <= 100))) || ((((82 <= counter) && ((r * r) <= 2147483647)) && (((r * 54) + (r * r)) <= 2147482918)) && (counter <= 100))) || (((49 == r) && (49 <= counter)) && (counter <= 100))) || (((r == 34) && (34 <= counter)) && (counter <= 100))) || (((((r * r) <= 2147483647) && (74 <= counter)) && (counter <= 100)) && (((r * r) + (r * 70)) <= 2147482422))) || (((25 <= counter) && (r == 25)) && (counter <= 100))) || (((((r * r) <= 2147483647) && (85 <= counter)) && (counter <= 100)) && (((r * r) + (r * 48)) <= 2147483071))) || (((counter <= 100) && (41 == r)) && (41 <= counter))) || (((16 == r) && (16 <= counter)) && (counter <= 100))) || (((9 == r) && (9 <= counter)) && (counter <= 100))) || ((((68 <= counter) && ((r * r) <= 2147483647)) && (counter <= 100)) && (((r * r) + (82 * r)) <= 2147481966))) || ((((((98 * r) + (r * r)) <= 2147481246) && (60 <= counter)) && ((r * r) <= 2147483647)) && (counter <= 100))) || (((14 <= counter) && (14 == r)) && (counter <= 100))) || ((((84 <= counter) && (((r * 50) + (r * r)) <= 2147483022)) && ((r * r) <= 2147483647)) && (counter <= 100))) || (((counter <= 100) && (53 == r)) && (53 <= counter))) || ((((62 <= counter) && (((94 * r) + (r * r)) <= 2147481438)) && ((r * r) <= 2147483647)) && (counter <= 100))) || (((22 == r) && (22 <= counter)) && (counter <= 100))) || ((((57 <= counter) && ((r * r) <= 2147483647)) && (((r * r) + (104 * r)) <= 2147480943)) && (counter <= 100))) || (((46 <= counter) && (46 == r)) && (counter <= 100))) || ((((((r * r) + (88 * r)) <= 2147481711) && ((r * r) <= 2147483647)) && (counter <= 100)) && (65 <= counter))) || (((r == 20) && (counter <= 100)) && (20 <= counter))) || (((19 == r) && (counter <= 100)) && (19 <= counter))) || (((r == 15) && (counter <= 100)) && (15 <= counter))) || ((((((62 * r) + (r * r)) <= 2147482686) && ((r * r) <= 2147483647)) && (78 <= counter)) && (counter <= 100))) || (((23 <= counter) && (counter <= 100)) && (23 == r))) || (((((r * r) <= 2147483647) && (((r * r) + (r * 28)) <= 2147483451)) && (counter <= 100)) && (95 <= counter))) || (((47 == r) && (47 <= counter)) && (counter <= 100))) || ((((((42 * r) + (r * r)) <= 2147483206) && ((r * r) <= 2147483647)) && (counter <= 100)) && (88 <= counter))) || (((42 <= counter) && (counter <= 100)) && (42 == r))) || (((r == 54) && (counter <= 100)) && (54 <= counter))) || (((((r * r) <= 2147483647) && (61 <= counter)) && (((r * r) + (r * 96)) <= 2147481343)) && (counter <= 100))) || (((44 <= counter) && (counter <= 100)) && (44 == r))) || ((((66 <= counter) && (((r * r) + (r * 86)) <= 2147481798)) && ((r * r) <= 2147483647)) && (counter <= 100))) RESULT: Ultimate proved your program to be correct! [2023-12-02 18:55:12,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8bff9e8-9248-4259-be59-53fe97ef2c5a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE