./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/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_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/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_b95f4239-f9ed-4c8a-aad1-4ab495be230a/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 f6f262ee8ef73ce794ec50b2a6144e291b9346fae74936a8743567d685b8f10f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:46:25,796 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:46:25,858 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-12-02 12:46:25,862 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:46:25,862 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:46:25,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:46:25,886 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:46:25,886 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:46:25,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:46:25,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:46:25,888 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:46:25,888 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:46:25,889 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:46:25,889 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 12:46:25,890 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:46:25,890 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:46:25,891 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 12:46:25,891 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 12:46:25,892 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:46:25,892 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 12:46:25,893 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 12:46:25,893 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 12:46:25,894 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:46:25,895 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:46:25,895 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 12:46:25,896 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 12:46:25,896 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 12:46:25,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:46:25,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:46:25,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:46:25,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:46:25,898 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 12:46:25,898 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 12:46:25,898 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 12:46:25,898 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:46:25,899 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:46:25,899 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:46:25,899 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:46:25,899 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:46:25,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:46:25,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:46:25,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:46:25,900 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:46:25,900 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 12:46:25,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 12:46:25,901 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:46:25,901 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:46:25,901 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:46:25,901 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:46:25,901 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_b95f4239-f9ed-4c8a-aad1-4ab495be230a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6f262ee8ef73ce794ec50b2a6144e291b9346fae74936a8743567d685b8f10f [2023-12-02 12:46:26,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:46:26,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:46:26,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:46:26,134 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:46:26,134 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:46:26,136 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound5.c [2023-12-02 12:46:28,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:46:29,086 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:46:29,086 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound5.c [2023-12-02 12:46:29,094 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/data/5850b5b08/de18324606914de199fa76b9bca7a55a/FLAG0bc10521f [2023-12-02 12:46:29,463 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/data/5850b5b08/de18324606914de199fa76b9bca7a55a [2023-12-02 12:46:29,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:46:29,466 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:46:29,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:46:29,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:46:29,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:46:29,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:46:29" (1/1) ... [2023-12-02 12:46:29,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@675f196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:46:29, skipping insertion in model container [2023-12-02 12:46:29,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:46:29" (1/1) ... [2023-12-02 12:46:29,493 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:46:29,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:46:29,635 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:46:29,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:46:29,665 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:46:29,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:46:29 WrapperNode [2023-12-02 12:46:29,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:46:29,666 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:46:29,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:46:29,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:46:29,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:46:29" (1/1) ... [2023-12-02 12:46:29,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:46:29" (1/1) ... [2023-12-02 12:46:29,697 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2023-12-02 12:46:29,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:46:29,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:46:29,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:46:29,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:46:29,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:46:29" (1/1) ... [2023-12-02 12:46:29,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:46:29" (1/1) ... [2023-12-02 12:46:29,709 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:46:29" (1/1) ... [2023-12-02 12:46:29,710 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:46:29" (1/1) ... [2023-12-02 12:46:29,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:46:29" (1/1) ... [2023-12-02 12:46:29,717 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:46:29" (1/1) ... [2023-12-02 12:46:29,718 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:46:29" (1/1) ... [2023-12-02 12:46:29,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:46:29" (1/1) ... [2023-12-02 12:46:29,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:46:29,721 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:46:29,721 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:46:29,721 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:46:29,722 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:46:29" (1/1) ... [2023-12-02 12:46:29,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:46:29,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:46:29,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:46:29,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:46:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:46:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 12:46:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:46:29,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:46:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 12:46:29,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 12:46:29,840 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:46:29,842 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:46:30,150 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:46:30,192 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:46:30,192 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:46:30,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:46:30 BoogieIcfgContainer [2023-12-02 12:46:30,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:46:30,195 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:46:30,195 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:46:30,198 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:46:30,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:46:29" (1/3) ... [2023-12-02 12:46:30,198 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6388a681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:46:30, skipping insertion in model container [2023-12-02 12:46:30,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:46:29" (2/3) ... [2023-12-02 12:46:30,199 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6388a681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:46:30, skipping insertion in model container [2023-12-02 12:46:30,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:46:30" (3/3) ... [2023-12-02 12:46:30,200 INFO L112 eAbstractionObserver]: Analyzing ICFG ps3-ll_unwindbound5.c [2023-12-02 12:46:30,214 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:46:30,214 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2023-12-02 12:46:30,253 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:46:30,259 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;@1adee9ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:46:30,260 INFO L358 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2023-12-02 12:46:30,264 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 52 states have (on average 1.9423076923076923) internal successors, (101), 98 states have internal predecessors, (101), 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 12:46:30,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 12:46:30,268 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:46:30,269 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-12-02 12:46:30,269 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-12-02 12:46:30,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:46:30,274 INFO L85 PathProgramCache]: Analyzing trace with hash 161673, now seen corresponding path program 1 times [2023-12-02 12:46:30,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:46:30,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580785557] [2023-12-02 12:46:30,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:30,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:46:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:46:30,442 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 12:46:30,443 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:46:30,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580785557] [2023-12-02 12:46:30,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580785557] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:46:30,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:46:30,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 12:46:30,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705723987] [2023-12-02 12:46:30,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:46:30,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 12:46:30,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:46:30,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 12:46:30,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 12:46:30,477 INFO L87 Difference]: Start difference. First operand has 102 states, 52 states have (on average 1.9423076923076923) internal successors, (101), 98 states have internal predecessors, (101), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:46:30,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:46:30,542 INFO L93 Difference]: Finished difference Result 147 states and 153 transitions. [2023-12-02 12:46:30,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 12:46:30,545 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 12:46:30,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:46:30,551 INFO L225 Difference]: With dead ends: 147 [2023-12-02 12:46:30,551 INFO L226 Difference]: Without dead ends: 98 [2023-12-02 12:46:30,553 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 12:46:30,556 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 4 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 12:46:30,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 274 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 12:46:30,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-12-02 12:46:30,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2023-12-02 12:46:30,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 55 states have (on average 1.7636363636363637) internal successors, (97), 95 states have internal predecessors, (97), 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 12:46:30,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 99 transitions. [2023-12-02 12:46:30,592 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 99 transitions. Word has length 3 [2023-12-02 12:46:30,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:46:30,593 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 99 transitions. [2023-12-02 12:46:30,593 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 12:46:30,593 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 99 transitions. [2023-12-02 12:46:30,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 12:46:30,593 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:46:30,593 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-12-02 12:46:30,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 12:46:30,594 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-12-02 12:46:30,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:46:30,595 INFO L85 PathProgramCache]: Analyzing trace with hash 521473922, now seen corresponding path program 1 times [2023-12-02 12:46:30,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:46:30,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628660837] [2023-12-02 12:46:30,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:30,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:46:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:46:30,641 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 12:46:30,641 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:46:30,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628660837] [2023-12-02 12:46:30,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628660837] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:46:30,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:46:30,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 12:46:30,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833194573] [2023-12-02 12:46:30,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:46:30,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:46:30,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:46:30,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:46:30,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:46:30,645 INFO L87 Difference]: Start difference. First operand 98 states and 99 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:46:30,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:46:30,767 INFO L93 Difference]: Finished difference Result 183 states and 185 transitions. [2023-12-02 12:46:30,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:46:30,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-12-02 12:46:30,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:46:30,770 INFO L225 Difference]: With dead ends: 183 [2023-12-02 12:46:30,770 INFO L226 Difference]: Without dead ends: 178 [2023-12-02 12:46:30,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 12:46:30,772 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 78 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:46:30,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 121 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 12:46:30,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-12-02 12:46:30,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 127. [2023-12-02 12:46:30,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 83 states have (on average 1.7469879518072289) internal successors, (145), 123 states have internal predecessors, (145), 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 12:46:30,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 149 transitions. [2023-12-02 12:46:30,788 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 149 transitions. Word has length 6 [2023-12-02 12:46:30,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:46:30,788 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 149 transitions. [2023-12-02 12:46:30,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:46:30,789 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 149 transitions. [2023-12-02 12:46:30,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 12:46:30,789 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:46:30,789 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:46:30,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 12:46:30,790 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-12-02 12:46:30,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:46:30,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1374732988, now seen corresponding path program 1 times [2023-12-02 12:46:30,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:46:30,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20830931] [2023-12-02 12:46:30,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:30,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:46:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:46:30,834 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 12:46:30,834 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:46:30,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20830931] [2023-12-02 12:46:30,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20830931] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:46:30,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:46:30,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 12:46:30,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136543417] [2023-12-02 12:46:30,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:46:30,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:46:30,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:46:30,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:46:30,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:46:30,837 INFO L87 Difference]: Start difference. First operand 127 states and 149 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:46:31,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:46:31,025 INFO L93 Difference]: Finished difference Result 175 states and 178 transitions. [2023-12-02 12:46:31,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:46:31,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-12-02 12:46:31,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:46:31,027 INFO L225 Difference]: With dead ends: 175 [2023-12-02 12:46:31,027 INFO L226 Difference]: Without dead ends: 157 [2023-12-02 12:46:31,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 12:46:31,029 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 52 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:46:31,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 71 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 12:46:31,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-12-02 12:46:31,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 139. [2023-12-02 12:46:31,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 95 states have (on average 1.568421052631579) internal successors, (149), 135 states have internal predecessors, (149), 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 12:46:31,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 153 transitions. [2023-12-02 12:46:31,042 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 153 transitions. Word has length 8 [2023-12-02 12:46:31,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:46:31,043 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 153 transitions. [2023-12-02 12:46:31,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:46:31,043 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 153 transitions. [2023-12-02 12:46:31,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 12:46:31,044 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:46:31,044 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:46:31,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 12:46:31,044 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-12-02 12:46:31,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:46:31,045 INFO L85 PathProgramCache]: Analyzing trace with hash -278178166, now seen corresponding path program 1 times [2023-12-02 12:46:31,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:46:31,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689545494] [2023-12-02 12:46:31,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:31,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:46:31,058 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:46:31,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [757727503] [2023-12-02 12:46:31,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:31,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:46:31,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:46:31,063 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:46:31,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 12:46:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:46:31,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 12:46:31,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:46:31,159 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 12:46:31,159 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:46:31,159 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:46:31,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689545494] [2023-12-02 12:46:31,159 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 12:46:31,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757727503] [2023-12-02 12:46:31,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757727503] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:46:31,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:46:31,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 12:46:31,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191198226] [2023-12-02 12:46:31,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:46:31,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 12:46:31,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:46:31,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 12:46:31,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 12:46:31,163 INFO L87 Difference]: Start difference. First operand 139 states and 153 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:46:31,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:46:31,318 INFO L93 Difference]: Finished difference Result 151 states and 168 transitions. [2023-12-02 12:46:31,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 12:46:31,319 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-12-02 12:46:31,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:46:31,320 INFO L225 Difference]: With dead ends: 151 [2023-12-02 12:46:31,320 INFO L226 Difference]: Without dead ends: 137 [2023-12-02 12:46:31,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 12:46:31,322 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 132 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:46:31,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 36 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 12:46:31,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-12-02 12:46:31,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 131. [2023-12-02 12:46:31,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 99 states have (on average 1.4141414141414141) internal successors, (140), 127 states have internal predecessors, (140), 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 12:46:31,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 144 transitions. [2023-12-02 12:46:31,335 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 144 transitions. Word has length 14 [2023-12-02 12:46:31,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:46:31,335 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 144 transitions. [2023-12-02 12:46:31,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 12:46:31,336 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 144 transitions. [2023-12-02 12:46:31,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 12:46:31,336 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:46:31,336 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:46:31,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 12:46:31,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:46:31,541 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-12-02 12:46:31,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:46:31,542 INFO L85 PathProgramCache]: Analyzing trace with hash -33588488, now seen corresponding path program 1 times [2023-12-02 12:46:31,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:46:31,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085993309] [2023-12-02 12:46:31,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:31,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:46:31,551 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:46:31,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [294233892] [2023-12-02 12:46:31,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:31,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:46:31,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:46:31,553 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:46:31,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 12:46:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:46:31,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 12:46:31,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:46:31,658 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 12:46:31,658 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:46:31,658 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:46:31,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085993309] [2023-12-02 12:46:31,659 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 12:46:31,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294233892] [2023-12-02 12:46:31,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294233892] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:46:31,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:46:31,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 12:46:31,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037307587] [2023-12-02 12:46:31,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:46:31,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:46:31,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:46:31,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:46:31,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:46:31,661 INFO L87 Difference]: Start difference. First operand 131 states and 144 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 12:46:31,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:46:31,802 INFO L93 Difference]: Finished difference Result 144 states and 150 transitions. [2023-12-02 12:46:31,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:46:31,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 15 [2023-12-02 12:46:31,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:46:31,804 INFO L225 Difference]: With dead ends: 144 [2023-12-02 12:46:31,804 INFO L226 Difference]: Without dead ends: 120 [2023-12-02 12:46:31,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:46:31,805 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 33 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:46:31,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 59 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 12:46:31,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-12-02 12:46:31,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117. [2023-12-02 12:46:31,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 85 states have (on average 1.423529411764706) internal successors, (121), 113 states have internal predecessors, (121), 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 12:46:31,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 125 transitions. [2023-12-02 12:46:31,815 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 125 transitions. Word has length 15 [2023-12-02 12:46:31,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:46:31,815 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 125 transitions. [2023-12-02 12:46:31,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 12:46:31,816 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 125 transitions. [2023-12-02 12:46:31,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 12:46:31,816 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:46:31,817 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:46:31,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 12:46:32,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:46:32,022 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-12-02 12:46:32,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:46:32,022 INFO L85 PathProgramCache]: Analyzing trace with hash 876211737, now seen corresponding path program 1 times [2023-12-02 12:46:32,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:46:32,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943800803] [2023-12-02 12:46:32,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:32,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:46:32,033 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:46:32,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1737680742] [2023-12-02 12:46:32,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:32,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:46:32,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:46:32,035 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:46:32,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 12:46:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:46:32,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 12:46:32,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:46:32,134 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 12:46:32,134 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:46:32,134 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:46:32,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943800803] [2023-12-02 12:46:32,135 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 12:46:32,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737680742] [2023-12-02 12:46:32,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737680742] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:46:32,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:46:32,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 12:46:32,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777587570] [2023-12-02 12:46:32,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:46:32,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:46:32,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:46:32,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:46:32,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:46:32,138 INFO L87 Difference]: Start difference. First operand 117 states and 125 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 12:46:32,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:46:32,150 INFO L93 Difference]: Finished difference Result 117 states and 125 transitions. [2023-12-02 12:46:32,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:46:32,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 28 [2023-12-02 12:46:32,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:46:32,152 INFO L225 Difference]: With dead ends: 117 [2023-12-02 12:46:32,152 INFO L226 Difference]: Without dead ends: 116 [2023-12-02 12:46:32,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 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 12:46:32,154 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 54 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 12:46:32,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 76 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 12:46:32,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-12-02 12:46:32,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2023-12-02 12:46:32,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 85 states have (on average 1.4) internal successors, (119), 112 states have internal predecessors, (119), 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 12:46:32,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 123 transitions. [2023-12-02 12:46:32,161 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 123 transitions. Word has length 28 [2023-12-02 12:46:32,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:46:32,163 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 123 transitions. [2023-12-02 12:46:32,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 12:46:32,163 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 123 transitions. [2023-12-02 12:46:32,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 12:46:32,164 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:46:32,164 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:46:32,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 12:46:32,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:46:32,370 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-12-02 12:46:32,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:46:32,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1392760163, now seen corresponding path program 1 times [2023-12-02 12:46:32,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:46:32,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376497647] [2023-12-02 12:46:32,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:32,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:46:32,377 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:46:32,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [255839781] [2023-12-02 12:46:32,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:32,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:46:32,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:46:32,379 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:46:32,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 12:46:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:46:32,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 12:46:32,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:46:32,463 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 12:46:32,463 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:46:32,464 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:46:32,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376497647] [2023-12-02 12:46:32,464 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 12:46:32,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255839781] [2023-12-02 12:46:32,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255839781] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:46:32,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:46:32,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 12:46:32,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56693619] [2023-12-02 12:46:32,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:46:32,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:46:32,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:46:32,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:46:32,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:46:32,466 INFO L87 Difference]: Start difference. First operand 116 states and 123 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 12:46:32,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:46:32,482 INFO L93 Difference]: Finished difference Result 117 states and 123 transitions. [2023-12-02 12:46:32,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:46:32,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 29 [2023-12-02 12:46:32,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:46:32,484 INFO L225 Difference]: With dead ends: 117 [2023-12-02 12:46:32,484 INFO L226 Difference]: Without dead ends: 116 [2023-12-02 12:46:32,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 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 12:46:32,485 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 12:46:32,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 12:46:32,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-12-02 12:46:32,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2023-12-02 12:46:32,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 85 states have (on average 1.388235294117647) internal successors, (118), 112 states have internal predecessors, (118), 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 12:46:32,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 122 transitions. [2023-12-02 12:46:32,492 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 122 transitions. Word has length 29 [2023-12-02 12:46:32,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:46:32,492 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 122 transitions. [2023-12-02 12:46:32,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 12:46:32,493 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 122 transitions. [2023-12-02 12:46:32,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 12:46:32,494 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:46:32,494 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:46:32,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 12:46:32,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:46:32,699 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-12-02 12:46:32,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:46:32,699 INFO L85 PathProgramCache]: Analyzing trace with hash -659514521, now seen corresponding path program 1 times [2023-12-02 12:46:32,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:46:32,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744253758] [2023-12-02 12:46:32,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:32,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:46:32,708 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:46:32,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1041927813] [2023-12-02 12:46:32,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:32,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:46:32,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:46:32,710 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:46:32,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 12:46:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:46:32,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 12:46:32,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:46:32,807 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 12:46:32,807 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:46:32,808 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:46:32,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744253758] [2023-12-02 12:46:32,808 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 12:46:32,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041927813] [2023-12-02 12:46:32,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041927813] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:46:32,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:46:32,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:46:32,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073629806] [2023-12-02 12:46:32,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:46:32,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 12:46:32,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:46:32,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 12:46:32,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 12:46:32,810 INFO L87 Difference]: Start difference. First operand 116 states and 122 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 12:46:32,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:46:32,978 INFO L93 Difference]: Finished difference Result 203 states and 215 transitions. [2023-12-02 12:46:32,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 12:46:32,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 33 [2023-12-02 12:46:32,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:46:32,980 INFO L225 Difference]: With dead ends: 203 [2023-12-02 12:46:32,981 INFO L226 Difference]: Without dead ends: 187 [2023-12-02 12:46:32,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 12:46:32,982 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 60 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:46:32,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 87 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 12:46:32,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-12-02 12:46:32,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 162. [2023-12-02 12:46:32,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 130 states have (on average 1.3461538461538463) internal successors, (175), 157 states have internal predecessors, (175), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-02 12:46:32,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 181 transitions. [2023-12-02 12:46:32,990 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 181 transitions. Word has length 33 [2023-12-02 12:46:32,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:46:32,991 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 181 transitions. [2023-12-02 12:46:32,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 12:46:32,991 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 181 transitions. [2023-12-02 12:46:32,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 12:46:32,992 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:46:32,992 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:46:32,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 12:46:33,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:46:33,196 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-12-02 12:46:33,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:46:33,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1861708393, now seen corresponding path program 1 times [2023-12-02 12:46:33,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:46:33,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102100768] [2023-12-02 12:46:33,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:33,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:46:33,207 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:46:33,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1584887092] [2023-12-02 12:46:33,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:33,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:46:33,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:46:33,209 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:46:33,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 12:46:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:46:33,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 12:46:33,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:46:33,309 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 12:46:33,309 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:46:33,310 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:46:33,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102100768] [2023-12-02 12:46:33,310 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 12:46:33,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584887092] [2023-12-02 12:46:33,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584887092] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:46:33,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:46:33,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:46:33,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490357497] [2023-12-02 12:46:33,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:46:33,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 12:46:33,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:46:33,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 12:46:33,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 12:46:33,312 INFO L87 Difference]: Start difference. First operand 162 states and 181 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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 12:46:33,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:46:33,374 INFO L93 Difference]: Finished difference Result 163 states and 181 transitions. [2023-12-02 12:46:33,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 12:46:33,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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 35 [2023-12-02 12:46:33,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:46:33,376 INFO L225 Difference]: With dead ends: 163 [2023-12-02 12:46:33,376 INFO L226 Difference]: Without dead ends: 162 [2023-12-02 12:46:33,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 12:46:33,377 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 26 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:46:33,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 112 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 12:46:33,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-12-02 12:46:33,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2023-12-02 12:46:33,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 130 states have (on average 1.3384615384615384) internal successors, (174), 157 states have internal predecessors, (174), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-02 12:46:33,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 180 transitions. [2023-12-02 12:46:33,385 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 180 transitions. Word has length 35 [2023-12-02 12:46:33,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:46:33,386 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 180 transitions. [2023-12-02 12:46:33,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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 12:46:33,386 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 180 transitions. [2023-12-02 12:46:33,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 12:46:33,387 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:46:33,387 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:46:33,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 12:46:33,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:46:33,588 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-12-02 12:46:33,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:46:33,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1899595573, now seen corresponding path program 1 times [2023-12-02 12:46:33,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:46:33,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835197503] [2023-12-02 12:46:33,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:33,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:46:33,595 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:46:33,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2055584272] [2023-12-02 12:46:33,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:33,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:46:33,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:46:33,597 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:46:33,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 12:46:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:46:33,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 12:46:33,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:46:33,710 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 12:46:33,710 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:46:33,710 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:46:33,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835197503] [2023-12-02 12:46:33,711 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 12:46:33,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055584272] [2023-12-02 12:46:33,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055584272] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:46:33,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:46:33,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 12:46:33,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063871861] [2023-12-02 12:46:33,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:46:33,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 12:46:33,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:46:33,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 12:46:33,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-02 12:46:33,713 INFO L87 Difference]: Start difference. First operand 162 states and 180 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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 12:46:33,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:46:33,756 INFO L93 Difference]: Finished difference Result 162 states and 180 transitions. [2023-12-02 12:46:33,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 12:46:33,757 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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 37 [2023-12-02 12:46:33,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:46:33,758 INFO L225 Difference]: With dead ends: 162 [2023-12-02 12:46:33,758 INFO L226 Difference]: Without dead ends: 161 [2023-12-02 12:46:33,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 32 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 12:46:33,760 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 55 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 12:46:33,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 146 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 12:46:33,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2023-12-02 12:46:33,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2023-12-02 12:46:33,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 130 states have (on average 1.323076923076923) internal successors, (172), 156 states have internal predecessors, (172), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-02 12:46:33,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 178 transitions. [2023-12-02 12:46:33,780 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 178 transitions. Word has length 37 [2023-12-02 12:46:33,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:46:33,780 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 178 transitions. [2023-12-02 12:46:33,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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 12:46:33,780 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 178 transitions. [2023-12-02 12:46:33,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 12:46:33,781 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:46:33,781 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:46:33,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 12:46:33,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-02 12:46:33,986 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-12-02 12:46:33,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:46:33,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1242079422, now seen corresponding path program 1 times [2023-12-02 12:46:33,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:46:33,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140436432] [2023-12-02 12:46:33,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:33,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:46:33,994 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:46:33,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1980447839] [2023-12-02 12:46:33,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:33,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:46:33,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:46:33,995 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:46:33,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 12:46:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:46:34,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 12:46:34,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:46:34,099 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 12:46:34,099 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:46:34,187 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 12:46:34,188 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:46:34,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140436432] [2023-12-02 12:46:34,188 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 12:46:34,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980447839] [2023-12-02 12:46:34,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980447839] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:46:34,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2007681426] [2023-12-02 12:46:34,209 INFO L159 IcfgInterpreter]: Started Sifa with 36 locations of interest [2023-12-02 12:46:34,209 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 12:46:34,212 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 12:46:34,218 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 12:46:34,218 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 12:46:36,705 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 55 for LOIs [2023-12-02 12:46:36,738 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 12:46:40,145 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3938#(and (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~k~0#1| 32767) (= ~counter~0 |ULTIMATE.start_main_#t~post5#1|) (<= 2147483647 |ULTIMATE.start_main_#t~post5#1|) (<= 1 |ULTIMATE.start_main_~c~0#1|) (<= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~k~0#1|) (<= 1 |ULTIMATE.start_main_~x~0#1|) (<= (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) (* 3 |ULTIMATE.start_main_~y~0#1|)) (+ (* 3 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) 4611686018427387904)) (= (* 6 |ULTIMATE.start_main_~x~0#1|) (+ (* 3 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) 2) |ULTIMATE.start_main_~y~0#1|)))' at error location [2023-12-02 12:46:40,146 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 12:46:40,146 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 12:46:40,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 9 [2023-12-02 12:46:40,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410551917] [2023-12-02 12:46:40,146 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 12:46:40,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-02 12:46:40,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:46:40,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-02 12:46:40,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=546, Unknown=0, NotChecked=0, Total=650 [2023-12-02 12:46:40,148 INFO L87 Difference]: Start difference. First operand 161 states and 178 transitions. Second operand has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 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 12:46:40,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:46:40,306 INFO L93 Difference]: Finished difference Result 297 states and 309 transitions. [2023-12-02 12:46:40,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 12:46:40,306 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 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 38 [2023-12-02 12:46:40,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:46:40,308 INFO L225 Difference]: With dead ends: 297 [2023-12-02 12:46:40,308 INFO L226 Difference]: Without dead ends: 274 [2023-12-02 12:46:40,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 71 SyntacticMatches, 17 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 607 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=174, Invalid=882, Unknown=0, NotChecked=0, Total=1056 [2023-12-02 12:46:40,310 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 124 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 12:46:40,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 495 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 12:46:40,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2023-12-02 12:46:40,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 207. [2023-12-02 12:46:40,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 172 states have (on average 1.3430232558139534) internal successors, (231), 198 states have internal predecessors, (231), 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 12:46:40,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 239 transitions. [2023-12-02 12:46:40,320 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 239 transitions. Word has length 38 [2023-12-02 12:46:40,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:46:40,321 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 239 transitions. [2023-12-02 12:46:40,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 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 12:46:40,321 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 239 transitions. [2023-12-02 12:46:40,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 12:46:40,322 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:46:40,322 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:46:40,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-02 12:46:40,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-02 12:46:40,523 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-12-02 12:46:40,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:46:40,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1644851506, now seen corresponding path program 1 times [2023-12-02 12:46:40,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:46:40,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066371689] [2023-12-02 12:46:40,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:40,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:46:40,529 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:46:40,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1857310462] [2023-12-02 12:46:40,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:40,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:46:40,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:46:40,530 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:46:40,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 12:46:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:46:40,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 12:46:40,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:46:40,668 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 12:46:40,668 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:46:40,770 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 12:46:40,770 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:46:40,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066371689] [2023-12-02 12:46:40,770 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 12:46:40,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857310462] [2023-12-02 12:46:40,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1857310462] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:46:40,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1072352134] [2023-12-02 12:46:40,773 INFO L159 IcfgInterpreter]: Started Sifa with 36 locations of interest [2023-12-02 12:46:40,773 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 12:46:40,774 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 12:46:40,774 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 12:46:40,774 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 12:46:42,294 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 55 for LOIs [2023-12-02 12:46:42,310 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 12:46:45,672 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4746#(and (<= 2 ~counter~0) (<= 1537228672809129302 |ULTIMATE.start_main_~x~0#1|) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~k~0#1| 32767) (<= 1 |ULTIMATE.start_main_~c~0#1|) (<= ~counter~0 5) (<= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~k~0#1|) (<= (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) (* 3 |ULTIMATE.start_main_~y~0#1|)) (+ (* 3 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) 4611686018427387904)) (= (* 6 |ULTIMATE.start_main_~x~0#1|) (+ (* 3 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) 2) |ULTIMATE.start_main_~y~0#1|)))' at error location [2023-12-02 12:46:45,673 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 12:46:45,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 12:46:45,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-12-02 12:46:45,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469112321] [2023-12-02 12:46:45,673 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 12:46:45,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 12:46:45,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:46:45,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 12:46:45,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2023-12-02 12:46:45,674 INFO L87 Difference]: Start difference. First operand 207 states and 239 transitions. Second operand has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 12:46:45,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:46:45,980 INFO L93 Difference]: Finished difference Result 224 states and 247 transitions. [2023-12-02 12:46:45,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 12:46:45,981 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2023-12-02 12:46:45,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:46:45,982 INFO L225 Difference]: With dead ends: 224 [2023-12-02 12:46:45,982 INFO L226 Difference]: Without dead ends: 221 [2023-12-02 12:46:45,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 81 SyntacticMatches, 18 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=115, Invalid=535, Unknown=0, NotChecked=0, Total=650 [2023-12-02 12:46:45,984 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 196 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:46:45,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 134 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 12:46:45,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2023-12-02 12:46:45,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 209. [2023-12-02 12:46:45,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 174 states have (on average 1.3103448275862069) internal successors, (228), 200 states have internal predecessors, (228), 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 12:46:45,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 236 transitions. [2023-12-02 12:46:45,991 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 236 transitions. Word has length 41 [2023-12-02 12:46:45,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:46:45,991 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 236 transitions. [2023-12-02 12:46:45,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 12:46:45,991 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 236 transitions. [2023-12-02 12:46:45,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 12:46:45,992 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:46:45,992 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:46:45,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-02 12:46:46,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-12-02 12:46:46,193 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-12-02 12:46:46,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:46:46,193 INFO L85 PathProgramCache]: Analyzing trace with hash -2020497094, now seen corresponding path program 1 times [2023-12-02 12:46:46,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:46:46,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722912094] [2023-12-02 12:46:46,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:46,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:46:46,199 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:46:46,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [445318630] [2023-12-02 12:46:46,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:46,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:46:46,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:46:46,201 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:46:46,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-02 12:46:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:46:46,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 12:46:46,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:46:46,316 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:46:46,316 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:46:46,316 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:46:46,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722912094] [2023-12-02 12:46:46,316 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 12:46:46,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445318630] [2023-12-02 12:46:46,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445318630] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:46:46,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:46:46,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 12:46:46,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609751288] [2023-12-02 12:46:46,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:46:46,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 12:46:46,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:46:46,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 12:46:46,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-02 12:46:46,318 INFO L87 Difference]: Start difference. First operand 209 states and 236 transitions. Second operand has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 12:46:46,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:46:46,425 INFO L93 Difference]: Finished difference Result 209 states and 236 transitions. [2023-12-02 12:46:46,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 12:46:46,426 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2023-12-02 12:46:46,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:46:46,427 INFO L225 Difference]: With dead ends: 209 [2023-12-02 12:46:46,427 INFO L226 Difference]: Without dead ends: 178 [2023-12-02 12:46:46,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-02 12:46:46,428 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 93 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:46:46,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 47 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 12:46:46,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-12-02 12:46:46,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2023-12-02 12:46:46,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 156 states have (on average 1.1730769230769231) internal successors, (183), 169 states have internal predecessors, (183), 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 12:46:46,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 191 transitions. [2023-12-02 12:46:46,434 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 191 transitions. Word has length 49 [2023-12-02 12:46:46,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:46:46,434 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 191 transitions. [2023-12-02 12:46:46,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 12:46:46,434 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 191 transitions. [2023-12-02 12:46:46,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 12:46:46,435 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:46:46,435 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:46:46,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-12-02 12:46:46,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-12-02 12:46:46,636 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-12-02 12:46:46,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:46:46,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1287579685, now seen corresponding path program 1 times [2023-12-02 12:46:46,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:46:46,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620981913] [2023-12-02 12:46:46,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:46,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:46:46,642 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:46:46,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [733181332] [2023-12-02 12:46:46,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:46,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:46:46,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:46:46,643 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:46:46,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-02 12:46:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:46:46,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 12:46:46,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:46:46,756 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 12:46:46,756 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:46:46,827 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 12:46:46,827 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:46:46,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620981913] [2023-12-02 12:46:46,827 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 12:46:46,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733181332] [2023-12-02 12:46:46,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733181332] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:46:46,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [293828780] [2023-12-02 12:46:46,830 INFO L159 IcfgInterpreter]: Started Sifa with 36 locations of interest [2023-12-02 12:46:46,830 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 12:46:46,830 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 12:46:46,830 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 12:46:46,831 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 12:46:48,165 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 55 for LOIs [2023-12-02 12:46:48,180 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 12:46:51,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [293828780] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:46:51,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 12:46:51,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [3, 3] total 20 [2023-12-02 12:46:51,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874250414] [2023-12-02 12:46:51,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:46:51,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 12:46:51,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:46:51,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 12:46:51,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2023-12-02 12:46:51,256 INFO L87 Difference]: Start difference. First operand 178 states and 191 transitions. Second operand has 17 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 14 states have internal predecessors, (34), 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 12:46:53,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:46:53,493 INFO L93 Difference]: Finished difference Result 184 states and 197 transitions. [2023-12-02 12:46:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 12:46:53,494 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 14 states have internal predecessors, (34), 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 63 [2023-12-02 12:46:53,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:46:53,495 INFO L225 Difference]: With dead ends: 184 [2023-12-02 12:46:53,495 INFO L226 Difference]: Without dead ends: 145 [2023-12-02 12:46:53,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 138 SyntacticMatches, 30 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 552 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=188, Invalid=624, Unknown=0, NotChecked=0, Total=812 [2023-12-02 12:46:53,496 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 157 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:46:53,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 2 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 12:46:53,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-12-02 12:46:53,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2023-12-02 12:46:53,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 134 states have (on average 1.0223880597014925) internal successors, (137), 136 states have internal predecessors, (137), 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 12:46:53,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 145 transitions. [2023-12-02 12:46:53,505 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 145 transitions. Word has length 63 [2023-12-02 12:46:53,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:46:53,505 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 145 transitions. [2023-12-02 12:46:53,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 14 states have internal predecessors, (34), 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 12:46:53,505 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 145 transitions. [2023-12-02 12:46:53,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-02 12:46:53,507 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:46:53,507 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1] [2023-12-02 12:46:53,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-12-02 12:46:53,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-12-02 12:46:53,708 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-12-02 12:46:53,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:46:53,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1489109046, now seen corresponding path program 2 times [2023-12-02 12:46:53,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:46:53,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603312212] [2023-12-02 12:46:53,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:46:53,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:46:53,717 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:46:53,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [207066647] [2023-12-02 12:46:53,718 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 12:46:53,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:46:53,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:46:53,719 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:46:53,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-02 12:46:56,475 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-12-02 12:46:56,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 12:46:56,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 12:46:56,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:46:56,611 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 2 proven. 114 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 12:46:56,611 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:47:00,684 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 2) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 3)))) (or (< (+ (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 2) (div .cse0 6)) 1537228672809129301) (not (= (mod .cse0 6) 0)))) is different from false [2023-12-02 12:48:07,099 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 2))) (or (< (+ (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) (div (+ (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 9) .cse0 (* |c_ULTIMATE.start_main_~y~0#1| 13)) 6) (* |c_ULTIMATE.start_main_~y~0#1| 4)) 1537228672809129297) (not (= (mod (+ |c_ULTIMATE.start_main_~y~0#1| .cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 3)) 6) 0)))) is different from false [2023-12-02 12:49:13,716 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 2))) (or (not (= (mod (+ |c_ULTIMATE.start_main_~y~0#1| .cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 3)) 6) 0)) (< (+ (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) (div (+ .cse0 (* |c_ULTIMATE.start_main_~y~0#1| 37) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 15)) 6) (* |c_ULTIMATE.start_main_~y~0#1| 6)) 1537228672809129288))) is different from false [2023-12-02 12:50:08,114 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 114 not checked. [2023-12-02 12:50:08,114 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:50:08,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603312212] [2023-12-02 12:50:08,115 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 12:50:08,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207066647] [2023-12-02 12:50:08,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207066647] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:50:08,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1371945918] [2023-12-02 12:50:08,117 INFO L159 IcfgInterpreter]: Started Sifa with 36 locations of interest [2023-12-02 12:50:08,117 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 12:50:08,118 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 12:50:08,118 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 12:50:08,118 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 12:50:09,372 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 55 for LOIs [2023-12-02 12:50:09,395 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 12:50:15,766 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7214#(and (<= 2 ~counter~0) (<= 1537228672809129302 |ULTIMATE.start_main_~x~0#1|) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~k~0#1| 32767) (<= 1 |ULTIMATE.start_main_~c~0#1|) (<= ~counter~0 5) (<= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~k~0#1|) (<= (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) (* 3 |ULTIMATE.start_main_~y~0#1|)) (+ (* 3 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) 4611686018427387904)) (= (* 6 |ULTIMATE.start_main_~x~0#1|) (+ (* 3 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) 2) |ULTIMATE.start_main_~y~0#1|)))' at error location [2023-12-02 12:50:15,766 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 12:50:15,766 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 12:50:15,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2023-12-02 12:50:15,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150560690] [2023-12-02 12:50:15,766 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 12:50:15,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-02 12:50:15,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:50:15,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-02 12:50:15,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=650, Unknown=3, NotChecked=162, Total=930 [2023-12-02 12:50:15,768 INFO L87 Difference]: Start difference. First operand 145 states and 145 transitions. Second operand has 15 states, 13 states have (on average 15.538461538461538) internal successors, (202), 15 states have internal predecessors, (202), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 12:50:16,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:50:16,173 INFO L93 Difference]: Finished difference Result 187 states and 190 transitions. [2023-12-02 12:50:16,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-02 12:50:16,173 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 15.538461538461538) internal successors, (202), 15 states have internal predecessors, (202), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 109 [2023-12-02 12:50:16,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:50:16,175 INFO L225 Difference]: With dead ends: 187 [2023-12-02 12:50:16,175 INFO L226 Difference]: Without dead ends: 181 [2023-12-02 12:50:16,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 246 SyntacticMatches, 50 SemanticMatches, 36 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 1176 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=174, Invalid=1025, Unknown=3, NotChecked=204, Total=1406 [2023-12-02 12:50:16,176 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 286 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 414 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:50:16,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 231 Invalid, 956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 519 Invalid, 0 Unknown, 414 Unchecked, 0.2s Time] [2023-12-02 12:50:16,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-12-02 12:50:16,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 180. [2023-12-02 12:50:16,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 168 states have (on average 1.0238095238095237) internal successors, (172), 170 states have internal predecessors, (172), 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 12:50:16,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 182 transitions. [2023-12-02 12:50:16,186 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 182 transitions. Word has length 109 [2023-12-02 12:50:16,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:50:16,186 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 182 transitions. [2023-12-02 12:50:16,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 15.538461538461538) internal successors, (202), 15 states have internal predecessors, (202), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 12:50:16,187 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 182 transitions. [2023-12-02 12:50:16,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-02 12:50:16,188 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:50:16,188 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1] [2023-12-02 12:50:16,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-12-02 12:50:16,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-12-02 12:50:16,389 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-12-02 12:50:16,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:50:16,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1663113400, now seen corresponding path program 2 times [2023-12-02 12:50:16,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:50:16,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67010450] [2023-12-02 12:50:16,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:50:16,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:50:16,400 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:50:16,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1167378135] [2023-12-02 12:50:16,400 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 12:50:16,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:50:16,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:50:16,401 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:50:16,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-02 12:50:16,441 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-12-02 12:50:16,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 12:50:16,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 12:50:16,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:50:16,492 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-12-02 12:50:16,492 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:50:16,492 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:50:16,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67010450] [2023-12-02 12:50:16,492 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 12:50:16,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167378135] [2023-12-02 12:50:16,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167378135] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:50:16,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:50:16,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 12:50:16,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268680953] [2023-12-02 12:50:16,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:50:16,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 12:50:16,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:50:16,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 12:50:16,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 12:50:16,494 INFO L87 Difference]: Start difference. First operand 180 states and 182 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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 12:50:16,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:50:16,530 INFO L93 Difference]: Finished difference Result 180 states and 182 transitions. [2023-12-02 12:50:16,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 12:50:16,530 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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 140 [2023-12-02 12:50:16,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:50:16,532 INFO L225 Difference]: With dead ends: 180 [2023-12-02 12:50:16,532 INFO L226 Difference]: Without dead ends: 179 [2023-12-02 12:50:16,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 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 12:50:16,533 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 5 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 96 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 12:50:16,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 96 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 12:50:16,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2023-12-02 12:50:16,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2023-12-02 12:50:16,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 168 states have (on average 1.0119047619047619) internal successors, (170), 169 states have internal predecessors, (170), 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 12:50:16,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 180 transitions. [2023-12-02 12:50:16,547 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 180 transitions. Word has length 140 [2023-12-02 12:50:16,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:50:16,548 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 180 transitions. [2023-12-02 12:50:16,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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 12:50:16,548 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 180 transitions. [2023-12-02 12:50:16,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-02 12:50:16,550 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:50:16,550 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1] [2023-12-02 12:50:16,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-12-02 12:50:16,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-12-02 12:50:16,751 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-12-02 12:50:16,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:50:16,752 INFO L85 PathProgramCache]: Analyzing trace with hash 946359610, now seen corresponding path program 3 times [2023-12-02 12:50:16,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:50:16,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575372041] [2023-12-02 12:50:16,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:50:16,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:50:16,762 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:50:16,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [825575290] [2023-12-02 12:50:16,762 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-02 12:50:16,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:50:16,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:50:16,763 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:50:16,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-02 12:50:16,834 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-12-02 12:50:16,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 12:50:16,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 12:50:16,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:50:17,060 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 365 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 12:50:17,060 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:50:17,285 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 345 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 12:50:17,285 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:50:17,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575372041] [2023-12-02 12:50:17,286 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 12:50:17,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825575290] [2023-12-02 12:50:17,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825575290] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:50:17,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1201551434] [2023-12-02 12:50:17,288 INFO L159 IcfgInterpreter]: Started Sifa with 36 locations of interest [2023-12-02 12:50:17,289 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 12:50:17,289 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 12:50:17,289 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 12:50:17,289 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 12:50:18,592 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 55 for LOIs [2023-12-02 12:50:18,611 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 12:50:30,462 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '9526#(and (<= 2 ~counter~0) (<= 1537228672809129302 |ULTIMATE.start_main_~x~0#1|) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~k~0#1| 32767) (<= 1 |ULTIMATE.start_main_~c~0#1|) (<= ~counter~0 5) (<= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~k~0#1|) (<= (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) (* 3 |ULTIMATE.start_main_~y~0#1|)) (+ (* 3 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) 4611686018427387904)) (= (* 6 |ULTIMATE.start_main_~x~0#1|) (+ (* 3 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) 2) |ULTIMATE.start_main_~y~0#1|)))' at error location [2023-12-02 12:50:30,462 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 12:50:30,462 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 12:50:30,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 14 [2023-12-02 12:50:30,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369368775] [2023-12-02 12:50:30,463 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 12:50:30,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 12:50:30,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:50:30,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 12:50:30,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=712, Unknown=0, NotChecked=0, Total=870 [2023-12-02 12:50:30,464 INFO L87 Difference]: Start difference. First operand 179 states and 180 transitions. Second operand has 14 states, 14 states have (on average 12.0) internal successors, (168), 14 states have internal predecessors, (168), 5 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2023-12-02 12:50:30,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:50:30,736 INFO L93 Difference]: Finished difference Result 216 states and 216 transitions. [2023-12-02 12:50:30,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 12:50:30,736 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.0) internal successors, (168), 14 states have internal predecessors, (168), 5 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 177 [2023-12-02 12:50:30,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:50:30,737 INFO L225 Difference]: With dead ends: 216 [2023-12-02 12:50:30,737 INFO L226 Difference]: Without dead ends: 178 [2023-12-02 12:50:30,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 408 SyntacticMatches, 93 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2104 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=315, Invalid=1325, Unknown=0, NotChecked=0, Total=1640 [2023-12-02 12:50:30,739 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 20 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:50:30,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 510 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 12:50:30,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-12-02 12:50:30,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2023-12-02 12:50:30,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 167 states have (on average 1.0) internal successors, (167), 167 states have internal predecessors, (167), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-12-02 12:50:30,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 177 transitions. [2023-12-02 12:50:30,749 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 177 transitions. Word has length 177 [2023-12-02 12:50:30,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:50:30,749 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 177 transitions. [2023-12-02 12:50:30,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.0) internal successors, (168), 14 states have internal predecessors, (168), 5 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2023-12-02 12:50:30,749 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 177 transitions. [2023-12-02 12:50:30,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-02 12:50:30,750 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:50:30,750 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1] [2023-12-02 12:50:30,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-12-02 12:50:30,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-12-02 12:50:30,951 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2023-12-02 12:50:30,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:50:30,951 INFO L85 PathProgramCache]: Analyzing trace with hash 946359640, now seen corresponding path program 1 times [2023-12-02 12:50:30,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:50:30,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791567307] [2023-12-02 12:50:30,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:50:30,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:50:30,962 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:50:30,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [250873028] [2023-12-02 12:50:30,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:50:30,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:50:30,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:50:30,963 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:50:30,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-12-02 12:50:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:50:31,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 12:50:31,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:50:31,415 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 2 proven. 342 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 12:50:31,415 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:50:35,703 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 2) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 3)))) (or (not (= (mod .cse0 6) 0)) (< (+ (* |c_ULTIMATE.start_main_~y~0#1| 12) (div .cse0 6) (* (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) 3)) 1537228672809129288))) is different from false [2023-12-02 12:54:26,912 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 2 proven. 230 refuted. 0 times theorem prover too weak. 16 trivial. 112 not checked. [2023-12-02 12:54:26,912 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:54:26,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791567307] [2023-12-02 12:54:26,912 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 12:54:26,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250873028] [2023-12-02 12:54:26,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [250873028] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:54:26,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1237100924] [2023-12-02 12:54:26,915 INFO L159 IcfgInterpreter]: Started Sifa with 38 locations of interest [2023-12-02 12:54:26,915 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 12:54:26,915 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 12:54:26,915 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 12:54:26,915 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 12:54:28,273 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 55 for LOIs [2023-12-02 12:54:28,289 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 12:54:40,615 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '11072#(and (<= 1537228672809129302 |ULTIMATE.start_main_~x~0#1|) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~k~0#1| 32767) (<= 1 |ULTIMATE.start_main_~c~0#1|) (<= 6 ~counter~0) (<= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~k~0#1|) (<= (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) (* 3 |ULTIMATE.start_main_~y~0#1|)) (+ (* 3 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) 4611686018427387904)) (<= ~counter~0 2147483647) (= (* 6 |ULTIMATE.start_main_~x~0#1|) (+ (* 3 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) 2) |ULTIMATE.start_main_~y~0#1|)))' at error location [2023-12-02 12:54:40,615 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 12:54:40,615 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 12:54:40,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2023-12-02 12:54:40,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104980584] [2023-12-02 12:54:40,615 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 12:54:40,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-02 12:54:40,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:54:40,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-02 12:54:40,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1264, Unknown=20, NotChecked=74, Total=1560 [2023-12-02 12:54:40,617 INFO L87 Difference]: Start difference. First operand 178 states and 177 transitions. Second operand has 23 states, 21 states have (on average 15.523809523809524) internal successors, (326), 23 states have internal predecessors, (326), 10 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-02 12:54:55,272 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 2))) (let ((.cse4 (+ |c_ULTIMATE.start_main_~y~0#1| .cse3 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 3)))) (let ((.cse2 (not (= (mod .cse4 6) 0))) (.cse0 (* |c_ULTIMATE.start_main_~y~0#1| 12)) (.cse1 (* (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) 3))) (and (< (+ |c_ULTIMATE.start_main_~x~0#1| .cse0 .cse1) 1537228672809129288) (or .cse2 (< (+ (* |c_ULTIMATE.start_main_~y~0#1| 24) (div (+ .cse3 (* |c_ULTIMATE.start_main_~y~0#1| 37) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 15)) 6) .cse1) 1537228672809129247)) (or .cse2 (< (+ .cse0 (div .cse4 6) .cse1) 1537228672809129288)) (< (+ |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 6) .cse1) 1537228672809129297) (= |c_ULTIMATE.start_main_~x~0#1| 55))))) is different from false [2023-12-02 12:54:57,285 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 2))) (let ((.cse4 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse3 (+ |c_ULTIMATE.start_main_~y~0#1| .cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 3)))) (let ((.cse0 (not (= (mod .cse3 6) 0))) (.cse2 (* .cse4 3))) (and (or .cse0 (< (+ (* |c_ULTIMATE.start_main_~y~0#1| 24) (div (+ .cse1 (* |c_ULTIMATE.start_main_~y~0#1| 37) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 15)) 6) .cse2) 1537228672809129247)) (or .cse0 (< (+ (* |c_ULTIMATE.start_main_~y~0#1| 12) (div .cse3 6) .cse2) 1537228672809129288)) (< (+ |c_ULTIMATE.start_main_~x~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 6) (* .cse4 2)) 1537228672809129297) (= |c_ULTIMATE.start_main_~x~0#1| 55))))) is different from false [2023-12-02 12:54:57,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:54:57,298 INFO L93 Difference]: Finished difference Result 178 states and 177 transitions. [2023-12-02 12:54:57,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-02 12:54:57,299 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 15.523809523809524) internal successors, (326), 23 states have internal predecessors, (326), 10 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Word has length 177 [2023-12-02 12:54:57,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:54:57,299 INFO L225 Difference]: With dead ends: 178 [2023-12-02 12:54:57,300 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 12:54:57,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 410 SyntacticMatches, 86 SemanticMatches, 46 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 2785 ImplicationChecksByTransitivity, 82.0s TimeCoverageRelationStatistics Valid=278, Invalid=1689, Unknown=25, NotChecked=264, Total=2256 [2023-12-02 12:54:57,301 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 97 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 1256 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 116 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 12:54:57,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 408 Invalid, 1383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1256 Invalid, 0 Unknown, 116 Unchecked, 0.6s Time] [2023-12-02 12:54:57,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 12:54:57,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 12:54:57,302 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 12:54:57,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 12:54:57,302 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 177 [2023-12-02 12:54:57,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:54:57,302 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 12:54:57,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 15.523809523809524) internal successors, (326), 23 states have internal predecessors, (326), 10 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-02 12:54:57,303 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 12:54:57,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 12:54:57,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 46 remaining) [2023-12-02 12:54:57,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 46 remaining) [2023-12-02 12:54:57,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 46 remaining) [2023-12-02 12:54:57,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 46 remaining) [2023-12-02 12:54:57,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 46 remaining) [2023-12-02 12:54:57,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 46 remaining) [2023-12-02 12:54:57,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 46 remaining) [2023-12-02 12:54:57,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 46 remaining) [2023-12-02 12:54:57,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 46 remaining) [2023-12-02 12:54:57,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 46 remaining) [2023-12-02 12:54:57,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 46 remaining) [2023-12-02 12:54:57,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 46 remaining) [2023-12-02 12:54:57,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 46 remaining) [2023-12-02 12:54:57,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 46 remaining) [2023-12-02 12:54:57,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 46 remaining) [2023-12-02 12:54:57,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 46 remaining) [2023-12-02 12:54:57,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 46 remaining) [2023-12-02 12:54:57,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 46 remaining) [2023-12-02 12:54:57,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 46 remaining) [2023-12-02 12:54:57,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 46 remaining) [2023-12-02 12:54:57,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 46 remaining) [2023-12-02 12:54:57,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 46 remaining) [2023-12-02 12:54:57,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 46 remaining) [2023-12-02 12:54:57,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 46 remaining) [2023-12-02 12:54:57,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 46 remaining) [2023-12-02 12:54:57,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 46 remaining) [2023-12-02 12:54:57,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 46 remaining) [2023-12-02 12:54:57,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 46 remaining) [2023-12-02 12:54:57,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 46 remaining) [2023-12-02 12:54:57,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 46 remaining) [2023-12-02 12:54:57,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 46 remaining) [2023-12-02 12:54:57,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 46 remaining) [2023-12-02 12:54:57,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 46 remaining) [2023-12-02 12:54:57,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 46 remaining) [2023-12-02 12:54:57,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 46 remaining) [2023-12-02 12:54:57,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 46 remaining) [2023-12-02 12:54:57,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 46 remaining) [2023-12-02 12:54:57,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 46 remaining) [2023-12-02 12:54:57,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 46 remaining) [2023-12-02 12:54:57,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 46 remaining) [2023-12-02 12:54:57,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 46 remaining) [2023-12-02 12:54:57,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 46 remaining) [2023-12-02 12:54:57,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 46 remaining) [2023-12-02 12:54:57,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 46 remaining) [2023-12-02 12:54:57,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 46 remaining) [2023-12-02 12:54:57,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 46 remaining) [2023-12-02 12:54:57,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-12-02 12:54:57,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-12-02 12:54:57,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 12:54:58,119 INFO L899 garLoopResultBuilder]: For program point L35-2(line 35) no Hoare annotation was computed. [2023-12-02 12:54:58,119 INFO L899 garLoopResultBuilder]: For program point L35-3(line 35) no Hoare annotation was computed. [2023-12-02 12:54:58,119 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,119 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,119 INFO L899 garLoopResultBuilder]: For program point L27-1(line 27) no Hoare annotation was computed. [2023-12-02 12:54:58,119 INFO L899 garLoopResultBuilder]: For program point L27-2(line 27) no Hoare annotation was computed. [2023-12-02 12:54:58,119 INFO L899 garLoopResultBuilder]: For program point L27-3(lines 27 36) no Hoare annotation was computed. [2023-12-02 12:54:58,119 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,120 INFO L895 garLoopResultBuilder]: At program point L27-5(lines 27 36) the Hoare annotation is: (let ((.cse0 (<= 1 |#StackHeapBarrier|)) (.cse1 (<= |ULTIMATE.start_main_~k~0#1| 32767)) (.cse2 (<= 1 |ULTIMATE.start_main_~c~0#1|)) (.cse4 (<= ~counter~0 5)) (.cse3 (<= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~k~0#1|))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~x~0#1| 1) (= |ULTIMATE.start_main_~y~0#1| 1) .cse3 (= ~counter~0 1)) (and (= 5 |ULTIMATE.start_main_~x~0#1|) (<= 2 ~counter~0) .cse0 .cse1 .cse2 (= 2 |ULTIMATE.start_main_~y~0#1|) .cse4 .cse3) (let ((.cse5 (select |#memory_int| 1))) (and (= |ULTIMATE.start_main_~c~0#1| 0) (= (select |#length| 3) 12) .cse0 .cse1 (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= 9 (select |#length| 2)) (= |ULTIMATE.start_main_~y~0#1| 0) (= ~counter~0 0) (= (select |#valid| 1) 1) (<= 0 (+ |ULTIMATE.start_main_~k~0#1| 32768)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse5 0) 48) (= |ULTIMATE.start_main_~x~0#1| 0) (= (select .cse5 1) 0))) (and .cse0 .cse1 (= |ULTIMATE.start_main_~y~0#1| 4) .cse2 .cse4 .cse3 (= 30 |ULTIMATE.start_main_~x~0#1|) (<= 4 ~counter~0)) (and .cse0 .cse1 (= ~counter~0 5) .cse2 .cse3 (= |ULTIMATE.start_main_~x~0#1| 55) (= 330 (+ (* 3 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) 2) |ULTIMATE.start_main_~y~0#1|))) (and .cse0 .cse1 .cse2 (= 3 |ULTIMATE.start_main_~y~0#1|) .cse4 .cse3 (= 14 |ULTIMATE.start_main_~x~0#1|) (<= 3 ~counter~0)))) [2023-12-02 12:54:58,120 INFO L899 garLoopResultBuilder]: For program point L27-6(lines 27 36) no Hoare annotation was computed. [2023-12-02 12:54:58,120 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-12-02 12:54:58,120 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,120 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,120 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,120 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2023-12-02 12:54:58,120 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,120 INFO L899 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,121 INFO L899 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,121 INFO L899 garLoopResultBuilder]: For program point L28-2(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,121 INFO L899 garLoopResultBuilder]: For program point L28-3(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,121 INFO L899 garLoopResultBuilder]: For program point L28-4(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,121 INFO L899 garLoopResultBuilder]: For program point L28-5(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,121 INFO L899 garLoopResultBuilder]: For program point L28-6(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,121 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,121 INFO L899 garLoopResultBuilder]: For program point L28-7(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,121 INFO L899 garLoopResultBuilder]: For program point L28-8(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,121 INFO L899 garLoopResultBuilder]: For program point L28-9(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,121 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-12-02 12:54:58,122 INFO L899 garLoopResultBuilder]: For program point L28-10(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,122 INFO L899 garLoopResultBuilder]: For program point L28-11(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,122 INFO L899 garLoopResultBuilder]: For program point L28-12(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,122 INFO L899 garLoopResultBuilder]: For program point L28-13(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,122 INFO L899 garLoopResultBuilder]: For program point L28-14(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,122 INFO L899 garLoopResultBuilder]: For program point L28-15(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,122 INFO L899 garLoopResultBuilder]: For program point L28-16(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,122 INFO L899 garLoopResultBuilder]: For program point L28-17(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,122 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,122 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,123 INFO L895 garLoopResultBuilder]: At program point L28-18(line 28) the Hoare annotation is: (let ((.cse3 (<= ~counter~0 5)) (.cse0 (<= 1 |#StackHeapBarrier|)) (.cse1 (<= |ULTIMATE.start_main_~k~0#1| 32767)) (.cse2 (<= 1 |ULTIMATE.start_main_~c~0#1|)) (.cse4 (<= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~k~0#1|))) (or (and .cse0 .cse1 .cse2 (= 3 |ULTIMATE.start_main_~y~0#1|) .cse3 .cse4 (= 14 |ULTIMATE.start_main_~x~0#1|) (<= 4 ~counter~0)) (and .cse0 .cse1 (exists ((v_~counter~0_25 Int)) (and (<= 1 v_~counter~0_25) (= (+ v_~counter~0_25 1) ~counter~0))) .cse2 (= |ULTIMATE.start_main_~x~0#1| 1) (= |ULTIMATE.start_main_~y~0#1| 1) .cse3 .cse4) (and (= |ULTIMATE.start_main_~c~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (exists ((v_~counter~0_25 Int)) (let ((.cse5 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) .cse0 .cse1 (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= 9 (select |#length| 2)) (= (select |#valid| 1) 1) (<= 0 (+ |ULTIMATE.start_main_~k~0#1| 32768)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse5 0) 48) (= (select .cse5 1) 0) (= v_~counter~0_25 0)))) (= ~counter~0 1) (= |ULTIMATE.start_main_~x~0#1| 0)) (and (= 5 |ULTIMATE.start_main_~x~0#1|) .cse0 .cse1 .cse2 (= 2 |ULTIMATE.start_main_~y~0#1|) .cse3 .cse4 (<= 3 ~counter~0)) (and .cse0 .cse1 (= |ULTIMATE.start_main_~y~0#1| 4) (= ~counter~0 5) .cse2 .cse4 (= 30 |ULTIMATE.start_main_~x~0#1|)))) [2023-12-02 12:54:58,123 INFO L899 garLoopResultBuilder]: For program point L28-19(lines 27 36) no Hoare annotation was computed. [2023-12-02 12:54:58,123 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,124 INFO L899 garLoopResultBuilder]: For program point L37-1(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,124 INFO L899 garLoopResultBuilder]: For program point L37-2(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,124 INFO L899 garLoopResultBuilder]: For program point L37-3(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,124 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2023-12-02 12:54:58,124 INFO L899 garLoopResultBuilder]: For program point L37-4(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,124 INFO L899 garLoopResultBuilder]: For program point L37-5(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,125 INFO L899 garLoopResultBuilder]: For program point L37-6(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,125 INFO L899 garLoopResultBuilder]: For program point L37-7(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,125 INFO L899 garLoopResultBuilder]: For program point L37-8(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,125 INFO L899 garLoopResultBuilder]: For program point L37-9(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,125 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,125 INFO L899 garLoopResultBuilder]: For program point L37-10(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,125 INFO L899 garLoopResultBuilder]: For program point L37-11(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,126 INFO L899 garLoopResultBuilder]: For program point L37-12(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,126 INFO L899 garLoopResultBuilder]: For program point L37-13(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,126 INFO L899 garLoopResultBuilder]: For program point L37-14(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,126 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,126 INFO L899 garLoopResultBuilder]: For program point L37-15(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,126 INFO L899 garLoopResultBuilder]: For program point L37-16(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,126 INFO L902 garLoopResultBuilder]: At program point L37-17(line 37) the Hoare annotation is: true [2023-12-02 12:54:58,126 INFO L899 garLoopResultBuilder]: For program point L37-18(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,126 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-12-02 12:54:58,127 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,127 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,127 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 12:54:58,127 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,127 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-12-02 12:54:58,127 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,127 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,127 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,127 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,127 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-12-02 12:54:58,127 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,128 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,128 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,128 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,128 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-12-02 12:54:58,128 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,128 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,128 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,128 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2023-12-02 12:54:58,128 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 12:54:58,128 INFO L899 garLoopResultBuilder]: For program point L33-1(line 33) no Hoare annotation was computed. [2023-12-02 12:54:58,128 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,128 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,129 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-12-02 12:54:58,129 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,129 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,129 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2023-12-02 12:54:58,129 INFO L899 garLoopResultBuilder]: For program point L34-1(line 34) no Hoare annotation was computed. [2023-12-02 12:54:58,129 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-12-02 12:54:58,129 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,129 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,129 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,129 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-12-02 12:54:58,129 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,129 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-12-02 12:54:58,130 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-12-02 12:54:58,130 INFO L899 garLoopResultBuilder]: For program point L35-1(line 35) no Hoare annotation was computed. [2023-12-02 12:54:58,130 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 9 15) no Hoare annotation was computed. [2023-12-02 12:54:58,130 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: true [2023-12-02 12:54:58,133 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:54:58,135 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 12:54:58,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-12-02 12:54:58,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-12-02 12:54:58,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-12-02 12:54:58,153 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-12-02 12:54:58,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-12-02 12:54:58,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-12-02 12:54:58,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-12-02 12:54:58,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-12-02 12:54:58,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-12-02 12:54:58,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:54:58 BoogieIcfgContainer [2023-12-02 12:54:58,156 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 12:54:58,156 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 12:54:58,157 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 12:54:58,157 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 12:54:58,157 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:46:30" (3/4) ... [2023-12-02 12:54:58,159 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 12:54:58,162 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-02 12:54:58,167 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-12-02 12:54:58,168 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-02 12:54:58,168 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 12:54:58,168 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 12:54:58,261 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 12:54:58,262 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 12:54:58,262 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 12:54:58,263 INFO L158 Benchmark]: Toolchain (without parser) took 508796.46ms. Allocated memory was 169.9MB in the beginning and 297.8MB in the end (delta: 127.9MB). Free memory was 126.8MB in the beginning and 110.0MB in the end (delta: 16.8MB). Peak memory consumption was 147.3MB. Max. memory is 16.1GB. [2023-12-02 12:54:58,263 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:54:58,264 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.07ms. Allocated memory is still 169.9MB. Free memory was 126.3MB in the beginning and 115.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 12:54:58,264 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.47ms. Allocated memory is still 169.9MB. Free memory was 115.8MB in the beginning and 114.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 12:54:58,265 INFO L158 Benchmark]: Boogie Preprocessor took 22.57ms. Allocated memory is still 169.9MB. Free memory was 114.1MB in the beginning and 113.1MB in the end (delta: 958.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 12:54:58,265 INFO L158 Benchmark]: RCFGBuilder took 472.37ms. Allocated memory is still 169.9MB. Free memory was 113.1MB in the beginning and 140.9MB in the end (delta: -27.8MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2023-12-02 12:54:58,266 INFO L158 Benchmark]: TraceAbstraction took 507960.76ms. Allocated memory was 169.9MB in the beginning and 297.8MB in the end (delta: 127.9MB). Free memory was 140.9MB in the beginning and 115.2MB in the end (delta: 25.7MB). Peak memory consumption was 152.8MB. Max. memory is 16.1GB. [2023-12-02 12:54:58,266 INFO L158 Benchmark]: Witness Printer took 105.82ms. Allocated memory is still 297.8MB. Free memory was 115.2MB in the beginning and 110.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 12:54:58,268 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.07ms. Allocated memory is still 169.9MB. Free memory was 126.3MB in the beginning and 115.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.47ms. Allocated memory is still 169.9MB. Free memory was 115.8MB in the beginning and 114.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.57ms. Allocated memory is still 169.9MB. Free memory was 114.1MB in the beginning and 113.1MB in the end (delta: 958.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 472.37ms. Allocated memory is still 169.9MB. Free memory was 113.1MB in the beginning and 140.9MB in the end (delta: -27.8MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * TraceAbstraction took 507960.76ms. Allocated memory was 169.9MB in the beginning and 297.8MB in the end (delta: 127.9MB). Free memory was 140.9MB in the beginning and 115.2MB in the end (delta: 25.7MB). Peak memory consumption was 152.8MB. Max. memory is 16.1GB. * Witness Printer took 105.82ms. Allocated memory is still 297.8MB. Free memory was 115.2MB in the beginning and 110.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: 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: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 102 locations, 46 error locations. Started 1 CEGAR loops. OverallTime: 507.9s, OverallIterations: 18, TraceHistogramMax: 6, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 21.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1482 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1472 mSDsluCounter, 3057 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 530 IncrementalHoareTripleChecker+Unchecked, 2071 mSDsCounter, 149 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3900 IncrementalHoareTripleChecker+Invalid, 4579 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 149 mSolverCounterUnsat, 986 mSDtfsCounter, 3900 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2232 GetRequests, 1706 SyntacticMatches, 294 SemanticMatches, 232 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 7644 ImplicationChecksByTransitivity, 117.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=209occurred in iteration=12, InterpolantAutomatonStates: 139, 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, 18 MinimizatonAttempts, 183 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 11 PreInvPairs, 23 NumberOfFragments, 390 HoareAnnotationTreeSize, 11 FomulaSimplifications, 752 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 919 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 429.1s InterpolantComputationTime, 1002 NumberOfCodeBlocks, 900 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1583 ConstructedInterpolants, 0 QuantifiedInterpolants, 12498 SizeOfPredicates, 25 NumberOfNonLiveVariables, 1671 ConjunctsInSsa, 99 ConjunctsInUnsatCore, 24 InterpolantComputations, 12 PerfectInterpolantSequences, 1014/2006 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 1.4s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 39, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 135, TOOLS_POST_TIME: 0.9s, TOOLS_POST_CALL_APPLICATIONS: 9, TOOLS_POST_CALL_TIME: 0.2s, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME: 0.1s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 152, TOOLS_QUANTIFIERELIM_TIME: 1.1s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.0s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 191, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 8, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 39, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 0.9s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.9s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 1011, DAG_COMPRESSION_RETAINED_NODES: 123, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 46 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (((((((((((k <= 32767) && (1 <= c)) && (x == 1)) && (y == 1)) && (c <= k)) && (counter == 1)) || (((((((5 == x) && (2 <= counter)) && (k <= 32767)) && (1 <= c)) && (2 == y)) && (counter <= 5)) && (c <= k))) || ((((((c == 0) && (k <= 32767)) && (y == 0)) && (counter == 0)) && (0 <= (k + 32768))) && (x == 0))) || (((((((k <= 32767) && (y == 4)) && (1 <= c)) && (counter <= 5)) && (c <= k)) && (30 == x)) && (4 <= counter))) || ((((((k <= 32767) && (counter == 5)) && (1 <= c)) && (c <= k)) && (x == 55)) && (330 == (((3 * (y * y)) + (((y * y) * y) * 2)) + y)))) || (((((((k <= 32767) && (1 <= c)) && (3 == y)) && (counter <= 5)) && (c <= k)) && (14 == x)) && (3 <= counter))) RESULT: Ultimate proved your program to be correct! [2023-12-02 12:54:58,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95f4239-f9ed-4c8a-aad1-4ab495be230a/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