./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0a927c-9c61-49b3-b602-b0e45112337e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0a927c-9c61-49b3-b602-b0e45112337e/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0a927c-9c61-49b3-b602-b0e45112337e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0a927c-9c61-49b3-b602-b0e45112337e/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0a927c-9c61-49b3-b602-b0e45112337e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0a927c-9c61-49b3-b602-b0e45112337e/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6f3643eb7577eb0ba12bcd7a7f20ec9e29deb69664963fe3575fff225cd03ad0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:49:42,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:49:42,674 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0a927c-9c61-49b3-b602-b0e45112337e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 07:49:42,682 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:49:42,683 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:49:42,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:49:42,722 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:49:42,723 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:49:42,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:49:42,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:49:42,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:49:42,732 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:49:42,732 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:49:42,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:49:42,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:49:42,735 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:49:42,736 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:49:42,736 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:49:42,737 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:49:42,737 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:49:42,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:49:42,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:49:42,739 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:49:42,739 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:49:42,740 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:49:42,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:49:42,741 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:49:42,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:49:42,742 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:49:42,743 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:49:42,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:49:42,745 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:49:42,745 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:49:42,745 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:49:42,746 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:49:42,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:49:42,746 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:49:42,747 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:49:42,747 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:49:42,747 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:49:42,748 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:49:42,748 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0a927c-9c61-49b3-b602-b0e45112337e/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0a927c-9c61-49b3-b602-b0e45112337e/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f3643eb7577eb0ba12bcd7a7f20ec9e29deb69664963fe3575fff225cd03ad0 [2023-11-19 07:49:43,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:49:43,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:49:43,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:49:43,123 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:49:43,124 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:49:43,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0a927c-9c61-49b3-b602-b0e45112337e/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps5.c [2023-11-19 07:49:46,243 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:49:46,460 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:49:46,460 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0a927c-9c61-49b3-b602-b0e45112337e/sv-benchmarks/c/recursified_nla-digbench/recursified_ps5.c [2023-11-19 07:49:46,471 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0a927c-9c61-49b3-b602-b0e45112337e/bin/uautomizer-verify-uCwYo4JHxu/data/6ab9ac43c/6dde5ce31e5848f09b9d2991f67fd50c/FLAG454b33f53 [2023-11-19 07:49:46,484 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0a927c-9c61-49b3-b602-b0e45112337e/bin/uautomizer-verify-uCwYo4JHxu/data/6ab9ac43c/6dde5ce31e5848f09b9d2991f67fd50c [2023-11-19 07:49:46,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:49:46,488 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:49:46,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:49:46,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:49:46,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:49:46,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:46" (1/1) ... [2023-11-19 07:49:46,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2afa47c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:46, skipping insertion in model container [2023-11-19 07:49:46,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:46" (1/1) ... [2023-11-19 07:49:46,524 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:49:46,729 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:49:46,739 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:49:46,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:49:46,780 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:49:46,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:46 WrapperNode [2023-11-19 07:49:46,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:49:46,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:49:46,782 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:49:46,782 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:49:46,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:46" (1/1) ... [2023-11-19 07:49:46,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:46" (1/1) ... [2023-11-19 07:49:46,828 INFO L138 Inliner]: procedures = 16, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 127 [2023-11-19 07:49:46,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:49:46,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:49:46,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:49:46,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:49:46,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:46" (1/1) ... [2023-11-19 07:49:46,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:46" (1/1) ... [2023-11-19 07:49:46,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:46" (1/1) ... [2023-11-19 07:49:46,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:46" (1/1) ... [2023-11-19 07:49:46,862 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:46" (1/1) ... [2023-11-19 07:49:46,864 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:46" (1/1) ... [2023-11-19 07:49:46,867 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:46" (1/1) ... [2023-11-19 07:49:46,869 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:46" (1/1) ... [2023-11-19 07:49:46,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:49:46,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:49:46,874 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:49:46,874 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:49:46,875 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:46" (1/1) ... [2023-11-19 07:49:46,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:49:46,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0a927c-9c61-49b3-b602-b0e45112337e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:49:46,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0a927c-9c61-49b3-b602-b0e45112337e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:49:46,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0a927c-9c61-49b3-b602-b0e45112337e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:49:46,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:49:46,952 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_25_to_33_0 [2023-11-19 07:49:46,952 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_25_to_33_0 [2023-11-19 07:49:46,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:49:46,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:49:46,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:49:46,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:49:46,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:49:46,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:49:46,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 07:49:46,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 07:49:46,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:49:47,057 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:49:47,060 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:49:47,843 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:49:47,862 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:49:47,862 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:49:47,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:47 BoogieIcfgContainer [2023-11-19 07:49:47,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:49:47,873 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:49:47,873 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:49:47,877 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:49:47,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:49:46" (1/3) ... [2023-11-19 07:49:47,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702e65a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:47, skipping insertion in model container [2023-11-19 07:49:47,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:46" (2/3) ... [2023-11-19 07:49:47,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702e65a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:47, skipping insertion in model container [2023-11-19 07:49:47,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:47" (3/3) ... [2023-11-19 07:49:47,880 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_ps5.c [2023-11-19 07:49:47,905 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:49:47,905 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 84 error locations. [2023-11-19 07:49:47,966 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:49:47,974 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@331e1d22, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:49:47,974 INFO L358 AbstractCegarLoop]: Starting to check reachability of 84 error locations. [2023-11-19 07:49:47,978 INFO L276 IsEmpty]: Start isEmpty. Operand has 193 states, 101 states have (on average 1.8613861386138615) internal successors, (188), 186 states have internal predecessors, (188), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 07:49:47,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 07:49:47,985 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:49:47,986 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:49:47,987 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting func_to_recursive_line_25_to_33_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_25_to_33_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_25_to_33_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 82 more)] === [2023-11-19 07:49:47,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:47,992 INFO L85 PathProgramCache]: Analyzing trace with hash -237194671, now seen corresponding path program 1 times [2023-11-19 07:49:47,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:48,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323775545] [2023-11-19 07:49:48,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:48,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:48,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:49:48,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:48,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323775545] [2023-11-19 07:49:48,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323775545] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:48,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:48,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:49:48,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727164602] [2023-11-19 07:49:48,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:48,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:49:48,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:48,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:49:48,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:49:48,940 INFO L87 Difference]: Start difference. First operand has 193 states, 101 states have (on average 1.8613861386138615) internal successors, (188), 186 states have internal predecessors, (188), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 6 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:49,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:49:49,531 INFO L93 Difference]: Finished difference Result 532 states and 564 transitions. [2023-11-19 07:49:49,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:49:49,534 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-19 07:49:49,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:49:49,560 INFO L225 Difference]: With dead ends: 532 [2023-11-19 07:49:49,561 INFO L226 Difference]: Without dead ends: 334 [2023-11-19 07:49:49,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:49:49,578 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 269 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:49:49,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 696 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 07:49:49,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2023-11-19 07:49:49,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 227. [2023-11-19 07:49:49,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 135 states have (on average 1.8074074074074074) internal successors, (244), 219 states have internal predecessors, (244), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-19 07:49:49,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 255 transitions. [2023-11-19 07:49:49,648 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 255 transitions. Word has length 6 [2023-11-19 07:49:49,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:49:49,648 INFO L495 AbstractCegarLoop]: Abstraction has 227 states and 255 transitions. [2023-11-19 07:49:49,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:49:49,649 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 255 transitions. [2023-11-19 07:49:49,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 07:49:49,650 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:49:49,650 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:49,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:49:49,651 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting func_to_recursive_line_25_to_33_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_25_to_33_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_25_to_33_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 82 more)] === [2023-11-19 07:49:49,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:49,652 INFO L85 PathProgramCache]: Analyzing trace with hash 700487739, now seen corresponding path program 1 times [2023-11-19 07:49:49,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:49,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452690495] [2023-11-19 07:49:49,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:49,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:49,679 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:49:49,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1482840127] [2023-11-19 07:49:49,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:49,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:49:49,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0a927c-9c61-49b3-b602-b0e45112337e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:49:49,683 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0a927c-9c61-49b3-b602-b0e45112337e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:49:49,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa0a927c-9c61-49b3-b602-b0e45112337e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:49:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:49,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 07:49:49,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:49:50,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:49:52,085 INFO L349 Elim1Store]: treesize reduction 509, result has 32.8 percent of original size [2023-11-19 07:49:52,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 29 case distinctions, treesize of input 4150 treesize of output 2442 [2023-11-19 07:49:52,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2023-11-19 07:49:52,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-19 07:49:53,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-19 07:49:58,226 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:49:58,247 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:49:58,248 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:49:58,261 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:49:58,304 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:49:58,324 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:49:58,327 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:49:58,328 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:49:58,337 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:49:58,338 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:49:58,375 INFO L224 Elim1Store]: Index analysis took 155 ms [2023-11-19 07:49:58,435 INFO L349 Elim1Store]: treesize reduction 61, result has 11.6 percent of original size [2023-11-19 07:49:58,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 11 case distinctions, treesize of input 452 treesize of output 569 [2023-11-19 07:49:59,491 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:00,238 INFO L224 Elim1Store]: Index analysis took 979 ms [2023-11-19 07:50:00,812 INFO L349 Elim1Store]: treesize reduction 263, result has 8.7 percent of original size [2023-11-19 07:50:00,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 34 case distinctions, treesize of input 1253 treesize of output 1378 [2023-11-19 07:50:06,057 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 07:50:06,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-19 07:50:06,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-19 07:50:06,414 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 07:50:06,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-19 07:50:06,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 22 [2023-11-19 07:50:07,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 22 [2023-11-19 07:50:07,208 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 07:50:07,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:50:07,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 1 [2023-11-19 07:50:07,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 26 [2023-11-19 07:50:07,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 330 treesize of output 326 [2023-11-19 07:50:08,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 33 [2023-11-19 07:50:08,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 500 treesize of output 496 [2023-11-19 07:50:12,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 334 treesize of output 330 [2023-11-19 07:50:12,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 30 [2023-11-19 07:50:12,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 37 [2023-11-19 07:50:13,061 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 07:50:13,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 22 [2023-11-19 07:50:13,339 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-19 07:50:13,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 500 treesize of output 496 [2023-11-19 07:50:14,006 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:14,087 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:14,089 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:14,095 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:14,150 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:14,153 INFO L224 Elim1Store]: Index analysis took 161 ms [2023-11-19 07:50:14,277 INFO L349 Elim1Store]: treesize reduction 96, result has 15.0 percent of original size [2023-11-19 07:50:14,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 18 case distinctions, treesize of input 1768 treesize of output 1780 [2023-11-19 07:50:18,051 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,056 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,086 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,096 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,103 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,107 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,108 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,110 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,112 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,114 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,122 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,123 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 152 [2023-11-19 07:50:18,475 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,486 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,487 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,491 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,492 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,508 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,510 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,513 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,523 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,527 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,528 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 157 [2023-11-19 07:50:18,669 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,762 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,810 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,821 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,841 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:18,846 INFO L224 Elim1Store]: Index analysis took 182 ms [2023-11-19 07:50:19,009 INFO L349 Elim1Store]: treesize reduction 96, result has 15.0 percent of original size [2023-11-19 07:50:19,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 18 case distinctions, treesize of input 1808 treesize of output 1816 [2023-11-19 07:50:23,985 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:23,990 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:23,991 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:23,994 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:23,995 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:23,999 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:23,999 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:24,002 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:24,004 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:24,006 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:24,008 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:24,012 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:24,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 169 [2023-11-19 07:50:24,193 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:24,196 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:24,220 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:24,225 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:24,230 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:24,237 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:24,238 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:24,238 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:24,239 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:24,240 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:24,246 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:24,247 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:24,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 161 [2023-11-19 07:50:24,571 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:24,643 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:24,709 INFO L224 Elim1Store]: Index analysis took 313 ms [2023-11-19 07:50:25,064 INFO L349 Elim1Store]: treesize reduction 204, result has 13.9 percent of original size [2023-11-19 07:50:25,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 28 case distinctions, treesize of input 1559 treesize of output 1597 [2023-11-19 07:50:32,816 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:32,820 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:32,821 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:32,839 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:32,849 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:32,851 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:32,914 INFO L349 Elim1Store]: treesize reduction 60, result has 22.1 percent of original size [2023-11-19 07:50:32,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 15 case distinctions, treesize of input 607 treesize of output 607 [2023-11-19 07:50:33,773 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:33,820 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:34,003 INFO L349 Elim1Store]: treesize reduction 104, result has 23.0 percent of original size [2023-11-19 07:50:34,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 18 case distinctions, treesize of input 432 treesize of output 509 [2023-11-19 07:50:34,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:50:34,647 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:34,685 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:34,697 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:34,705 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:34,711 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:34,720 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:34,731 INFO L349 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2023-11-19 07:50:34,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 98 treesize of output 90 [2023-11-19 07:50:34,923 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:35,020 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:35,130 INFO L224 Elim1Store]: Index analysis took 217 ms [2023-11-19 07:50:35,256 INFO L349 Elim1Store]: treesize reduction 104, result has 23.0 percent of original size [2023-11-19 07:50:35,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 18 case distinctions, treesize of input 668 treesize of output 737 [2023-11-19 07:50:35,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:50:36,038 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:36,044 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:36,048 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:36,048 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:36,054 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:36,060 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:36,064 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:36,073 INFO L349 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2023-11-19 07:50:36,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 98 treesize of output 90 [2023-11-19 07:50:36,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:50:36,270 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:36,284 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:36,291 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:36,297 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:36,309 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:36,313 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:36,323 INFO L349 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2023-11-19 07:50:36,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 98 treesize of output 90 [2023-11-19 07:50:36,390 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:36,453 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 07:50:36,497 INFO L224 Elim1Store]: Index analysis took 128 ms [2023-11-19 07:50:36,543 INFO L349 Elim1Store]: treesize reduction 81, result has 9.0 percent of original size [2023-11-19 07:50:36,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 14 case distinctions, treesize of input 353 treesize of output 349