./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-pthread/cs_szymanski.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 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_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --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 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 15:17:54,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:17:54,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:17:54,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:17:54,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:17:54,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:17:54,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:17:54,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:17:54,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:17:54,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:17:54,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:17:54,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:17:54,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:17:54,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:17:54,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:17:54,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:17:54,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:17:54,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:17:54,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:17:54,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:17:54,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:17:54,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:17:54,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:17:54,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:17:54,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:17:54,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:17:54,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:17:54,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:17:54,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:17:54,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:17:54,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:17:54,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:17:54,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:17:54,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:17:54,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:17:54,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:17:54,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:17:54,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:17:54,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:17:54,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:17:54,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:17:54,771 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-23 15:17:54,838 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:17:54,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:17:54,839 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:17:54,840 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:17:54,840 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:17:54,841 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:17:54,841 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:17:54,841 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:17:54,842 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:17:54,842 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:17:54,842 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:17:54,842 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:17:54,843 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:17:54,843 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:17:54,843 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:17:54,844 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:17:54,844 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:17:54,844 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:17:54,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:17:54,846 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:17:54,846 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:17:54,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:17:54,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:17:54,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:17:54,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:17:54,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:17:54,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:17:54,848 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 15:17:54,848 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:17:54,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:17:54,849 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:17:54,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:17:54,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:17:54,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:17:54,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:17:54,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:17:54,851 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:17:54,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:17:54,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:17:54,852 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:17:54,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:17:54,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:17:54,853 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:17:54,853 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 [2022-11-23 15:17:55,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:17:55,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:17:55,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:17:55,291 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:17:55,291 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:17:55,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-11-23 15:17:58,947 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:17:59,306 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:17:59,307 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-11-23 15:17:59,327 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW/data/7951d998c/f2ff28cb358a4c91937cfa9e31ec2ac5/FLAGdb6a20380 [2022-11-23 15:17:59,357 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW/data/7951d998c/f2ff28cb358a4c91937cfa9e31ec2ac5 [2022-11-23 15:17:59,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:17:59,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:17:59,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:17:59,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:17:59,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:17:59,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:17:59" (1/1) ... [2022-11-23 15:17:59,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78cdd93f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:59, skipping insertion in model container [2022-11-23 15:17:59,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:17:59" (1/1) ... [2022-11-23 15:17:59,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:17:59,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:17:59,844 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-11-23 15:18:00,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:18:00,077 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:18:00,136 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-11-23 15:18:00,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:18:00,251 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:18:00,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:00 WrapperNode [2022-11-23 15:18:00,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:18:00,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:18:00,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:18:00,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:18:00,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:00" (1/1) ... [2022-11-23 15:18:00,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:00" (1/1) ... [2022-11-23 15:18:00,341 INFO L138 Inliner]: procedures = 145, calls = 289, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 399 [2022-11-23 15:18:00,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:18:00,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:18:00,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:18:00,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:18:00,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:00" (1/1) ... [2022-11-23 15:18:00,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:00" (1/1) ... [2022-11-23 15:18:00,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:00" (1/1) ... [2022-11-23 15:18:00,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:00" (1/1) ... [2022-11-23 15:18:00,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:00" (1/1) ... [2022-11-23 15:18:00,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:00" (1/1) ... [2022-11-23 15:18:00,409 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:00" (1/1) ... [2022-11-23 15:18:00,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:00" (1/1) ... [2022-11-23 15:18:00,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:18:00,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:18:00,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:18:00,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:18:00,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:00" (1/1) ... [2022-11-23 15:18:00,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:18:00,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:18:00,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:18:00,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:18:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:18:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:18:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 15:18:00,550 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 15:18:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:18:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:18:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:18:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-11-23 15:18:00,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-11-23 15:18:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:18:00,552 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-11-23 15:18:00,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-11-23 15:18:00,552 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-23 15:18:00,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-23 15:18:00,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:18:00,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:18:00,553 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-11-23 15:18:00,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-11-23 15:18:00,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:18:00,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:18:00,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:18:00,755 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:18:00,757 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:18:03,710 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:18:03,935 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:18:03,935 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 15:18:03,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:18:03 BoogieIcfgContainer [2022-11-23 15:18:03,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:18:03,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:18:03,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:18:03,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:18:03,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:17:59" (1/3) ... [2022-11-23 15:18:03,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f5ee2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:18:03, skipping insertion in model container [2022-11-23 15:18:03,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:00" (2/3) ... [2022-11-23 15:18:03,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f5ee2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:18:03, skipping insertion in model container [2022-11-23 15:18:03,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:18:03" (3/3) ... [2022-11-23 15:18:03,983 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_szymanski.i [2022-11-23 15:18:04,010 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:18:04,011 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-23 15:18:04,090 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:18:04,098 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=LoopsAndPotentialCycles, 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;@56230fc7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:18:04,099 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-23 15:18:04,105 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 58 states have (on average 1.3448275862068966) internal successors, (78), 66 states have internal predecessors, (78), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-11-23 15:18:04,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-23 15:18:04,116 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:18:04,117 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-23 15:18:04,117 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 15:18:04,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:18:04,132 INFO L85 PathProgramCache]: Analyzing trace with hash 9508179, now seen corresponding path program 1 times [2022-11-23 15:18:04,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:18:04,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046804188] [2022-11-23 15:18:04,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:18:04,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:18:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:18:04,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:18:04,641 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:18:04,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046804188] [2022-11-23 15:18:04,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046804188] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:18:04,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:18:04,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:18:04,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996802160] [2022-11-23 15:18:04,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:18:04,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:18:04,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:18:04,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:18:04,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:18:04,693 INFO L87 Difference]: Start difference. First operand has 104 states, 58 states have (on average 1.3448275862068966) internal successors, (78), 66 states have internal predecessors, (78), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-23 15:18:06,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:18:06,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:18:06,941 INFO L93 Difference]: Finished difference Result 208 states and 289 transitions. [2022-11-23 15:18:06,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:18:06,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-11-23 15:18:06,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:18:06,953 INFO L225 Difference]: With dead ends: 208 [2022-11-23 15:18:06,953 INFO L226 Difference]: Without dead ends: 16 [2022-11-23 15:18:06,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:18:06,972 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 4 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:18:06,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 246 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-11-23 15:18:06,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-23 15:18:07,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 12. [2022-11-23 15:18:07,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 8 states have (on average 1.625) internal successors, (13), 11 states have internal predecessors, (13), 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) [2022-11-23 15:18:07,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2022-11-23 15:18:07,018 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 4 [2022-11-23 15:18:07,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:18:07,018 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2022-11-23 15:18:07,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-23 15:18:07,019 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-11-23 15:18:07,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-23 15:18:07,020 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:18:07,020 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-23 15:18:07,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:18:07,021 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 15:18:07,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:18:07,022 INFO L85 PathProgramCache]: Analyzing trace with hash 9507520, now seen corresponding path program 1 times [2022-11-23 15:18:07,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:18:07,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930273065] [2022-11-23 15:18:07,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:18:07,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:18:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:18:07,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:18:07,443 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:18:07,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930273065] [2022-11-23 15:18:07,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930273065] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:18:07,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:18:07,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:18:07,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596533340] [2022-11-23 15:18:07,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:18:07,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:18:07,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:18:07,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:18:07,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:18:07,447 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2022-11-23 15:18:07,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:18:07,527 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2022-11-23 15:18:07,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:18:07,528 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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 4 [2022-11-23 15:18:07,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:18:07,528 INFO L225 Difference]: With dead ends: 16 [2022-11-23 15:18:07,529 INFO L226 Difference]: Without dead ends: 14 [2022-11-23 15:18:07,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:18:07,531 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 3 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:18:07,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 19 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:18:07,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-23 15:18:07,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-23 15:18:07,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.5) internal successors, (15), 13 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) [2022-11-23 15:18:07,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-11-23 15:18:07,535 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 4 [2022-11-23 15:18:07,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:18:07,536 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-11-23 15:18:07,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2022-11-23 15:18:07,536 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-23 15:18:07,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 15:18:07,537 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:18:07,537 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:18:07,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:18:07,538 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 15:18:07,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:18:07,538 INFO L85 PathProgramCache]: Analyzing trace with hash -229175748, now seen corresponding path program 1 times [2022-11-23 15:18:07,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:18:07,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143912675] [2022-11-23 15:18:07,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:18:07,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:18:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:18:07,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:18:07,777 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:18:07,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143912675] [2022-11-23 15:18:07,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143912675] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:18:07,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401821774] [2022-11-23 15:18:07,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:18:07,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:18:07,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:18:07,787 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:18:07,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:18:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:18:08,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 15:18:08,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:18:08,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:18:08,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:18:08,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:18:08,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401821774] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:18:08,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1957544308] [2022-11-23 15:18:08,276 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2022-11-23 15:18:08,276 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:18:08,283 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:18:08,290 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:18:08,291 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:18:08,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-23 15:18:08,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-23 15:18:08,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:08,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:08,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:08,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:08,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:08,880 INFO L217 Elim1Store]: Index analysis took 129 ms [2022-11-23 15:18:10,971 INFO L321 Elim1Store]: treesize reduction 1172, result has 15.9 percent of original size [2022-11-23 15:18:10,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 55 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 66 case distinctions, treesize of input 134 treesize of output 321 [2022-11-23 15:18:11,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:11,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:11,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:11,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:11,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:11,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 99 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 98 [2022-11-23 15:18:11,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-23 15:18:11,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-23 15:18:11,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-23 15:18:11,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:11,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:11,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:11,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:11,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:11,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:11,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:11,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 118 [2022-11-23 15:18:12,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 49 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 107 [2022-11-23 15:18:12,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 26 select indices, 26 select index equivalence classes, 112 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 330 [2022-11-23 15:18:12,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 118 [2022-11-23 15:18:12,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:12,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 49 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 107 [2022-11-23 15:18:13,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 133 [2022-11-23 15:18:13,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 146 [2022-11-23 15:18:13,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:13,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 29 select indices, 29 select index equivalence classes, 133 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 366 [2022-11-23 15:18:16,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,480 INFO L217 Elim1Store]: Index analysis took 241 ms [2022-11-23 15:18:16,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:16,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:16,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:16,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:16,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:16,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:16,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:16,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:16,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:16,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:18,383 INFO L321 Elim1Store]: treesize reduction 1938, result has 10.5 percent of original size [2022-11-23 15:18:18,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 29 select indices, 29 select index equivalence classes, 107 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 107 case distinctions, treesize of input 2044 treesize of output 1876 [2022-11-23 15:18:18,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:18,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:18,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:18,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:18,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:18,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:18,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:18,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:18,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:18,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:18,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:18,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:18,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:18,993 INFO L321 Elim1Store]: treesize reduction 100, result has 16.0 percent of original size [2022-11-23 15:18:18,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 44 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 2014 treesize of output 1967 [2022-11-23 15:18:19,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:19,341 INFO L321 Elim1Store]: treesize reduction 204, result has 17.4 percent of original size [2022-11-23 15:18:19,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 42 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 13 case distinctions, treesize of input 2020 treesize of output 2000 [2022-11-23 15:18:19,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:19,748 INFO L321 Elim1Store]: treesize reduction 100, result has 16.0 percent of original size [2022-11-23 15:18:19,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 44 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 2006 treesize of output 1959 [2022-11-23 15:18:19,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:19,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:20,034 INFO L321 Elim1Store]: treesize reduction 152, result has 22.1 percent of original size [2022-11-23 15:18:20,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 43 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 13 case distinctions, treesize of input 1999 treesize of output 1979 [2022-11-23 15:18:29,501 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-11-23 15:18:29,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 55 treesize of output 27 [2022-11-23 15:18:29,585 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-23 15:18:29,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-23 15:18:29,675 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-23 15:18:29,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-11-23 15:18:30,127 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-23 15:18:30,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-23 15:18:30,235 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-23 15:18:30,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-11-23 15:18:30,299 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-11-23 15:18:30,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 55 treesize of output 27 [2022-11-23 15:18:30,559 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:18:36,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1957544308] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:18:36,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:18:36,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5, 5] total 13 [2022-11-23 15:18:36,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070568300] [2022-11-23 15:18:36,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:18:36,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:18:36,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:18:36,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:18:36,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:18:36,849 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:18:47,215 WARN L233 SmtUtils]: Spent 5.44s on a formula simplification. DAG size of input: 404 DAG size of output: 368 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:18:50,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:18:50,827 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2022-11-23 15:18:50,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:18:50,828 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-23 15:18:50,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:18:50,828 INFO L225 Difference]: With dead ends: 27 [2022-11-23 15:18:50,829 INFO L226 Difference]: Without dead ends: 23 [2022-11-23 15:18:50,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 20.0s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2022-11-23 15:18:50,830 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:18:50,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 17 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 15:18:50,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-23 15:18:50,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2022-11-23 15:18:50,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 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) [2022-11-23 15:18:50,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2022-11-23 15:18:50,847 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 7 [2022-11-23 15:18:50,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:18:50,848 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2022-11-23 15:18:50,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:18:50,848 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-11-23 15:18:50,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-23 15:18:50,849 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:18:50,849 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1] [2022-11-23 15:18:50,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 15:18:51,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:18:51,050 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-23 15:18:51,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:18:51,051 INFO L85 PathProgramCache]: Analyzing trace with hash 2146976529, now seen corresponding path program 1 times [2022-11-23 15:18:51,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:18:51,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230356307] [2022-11-23 15:18:51,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:18:51,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:18:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:18:51,320 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:18:51,320 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:18:51,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230356307] [2022-11-23 15:18:51,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230356307] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:18:51,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119452381] [2022-11-23 15:18:51,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:18:51,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:18:51,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:18:51,323 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:18:51,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:18:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:18:51,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 15:18:51,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:18:51,645 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:18:51,651 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:18:51,713 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:18:51,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119452381] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:18:51,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [203792890] [2022-11-23 15:18:51,716 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-23 15:18:51,717 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:18:51,717 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:18:51,717 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:18:51,717 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:18:51,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-23 15:18:51,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-23 15:18:51,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-23 15:18:52,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:52,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:52,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:52,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:52,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:53,846 INFO L321 Elim1Store]: treesize reduction 1172, result has 15.9 percent of original size [2022-11-23 15:18:53,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 55 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 66 case distinctions, treesize of input 134 treesize of output 321 [2022-11-23 15:18:53,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-23 15:18:54,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 99 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 98 [2022-11-23 15:18:54,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-23 15:18:54,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 26 select indices, 26 select index equivalence classes, 112 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 330 [2022-11-23 15:18:54,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 118 [2022-11-23 15:18:54,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 49 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 107 [2022-11-23 15:18:54,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 118 [2022-11-23 15:18:54,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:54,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 49 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 107 [2022-11-23 15:18:55,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 133 [2022-11-23 15:18:55,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 61 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 146 [2022-11-23 15:18:55,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:55,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 29 select indices, 29 select index equivalence classes, 133 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 346 treesize of output 366 [2022-11-23 15:18:57,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:57,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:57,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:57,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:57,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:57,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:57,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:57,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:57,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:57,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:57,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:57,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:57,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:57,659 INFO L321 Elim1Store]: treesize reduction 100, result has 16.0 percent of original size [2022-11-23 15:18:57,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 44 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 2014 treesize of output 1967 [2022-11-23 15:18:57,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:57,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:57,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:57,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:57,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:57,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:57,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:57,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:57,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:57,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:57,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:57,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:58,132 INFO L321 Elim1Store]: treesize reduction 204, result has 17.4 percent of original size [2022-11-23 15:18:58,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 42 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 13 case distinctions, treesize of input 2020 treesize of output 2000 [2022-11-23 15:18:58,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,478 INFO L217 Elim1Store]: Index analysis took 158 ms [2022-11-23 15:18:58,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:58,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:58,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:58,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:58,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:58,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:58,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:58,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:58,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:18:58,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:18:59,924 INFO L321 Elim1Store]: treesize reduction 1938, result has 10.5 percent of original size [2022-11-23 15:18:59,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 29 select indices, 29 select index equivalence classes, 107 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 107 case distinctions, treesize of input 2036 treesize of output 1868 [2022-11-23 15:19:00,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:00,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:00,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:00,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:00,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:00,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:00,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:00,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:00,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:00,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:00,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:00,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:00,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:19:00,276 INFO L321 Elim1Store]: treesize reduction 100, result has 16.0 percent of original size [2022-11-23 15:19:00,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 44 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 11 case distinctions, treesize of input 2006 treesize of output 1959 [2022-11-23 15:19:00,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:00,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:00,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:00,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:00,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:00,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:00,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:00,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:00,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:00,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:00,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:00,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:19:00,536 INFO L321 Elim1Store]: treesize reduction 152, result has 22.1 percent of original size [2022-11-23 15:19:00,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 42 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 13 case distinctions, treesize of input 1999 treesize of output 1979 [2022-11-23 15:19:15,769 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-23 15:19:15,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-11-23 15:19:15,839 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-23 15:19:15,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-23 15:19:15,897 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-11-23 15:19:15,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 55 treesize of output 27 [2022-11-23 15:19:16,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,785 INFO L217 Elim1Store]: Index analysis took 227 ms [2022-11-23 15:19:16,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:16,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:17,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:17,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:17,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:17,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:17,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:17,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:17,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:17,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:17,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:17,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:17,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:17,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:17,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:19:17,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:19:18,981 INFO L321 Elim1Store]: treesize reduction 2108, result has 8.5 percent of original size [2022-11-23 15:19:18,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 26 select indices, 26 select index equivalence classes, 84 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 17 case distinctions, treesize of input 1090 treesize of output 1165 [2022-11-23 15:19:19,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:19,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:19,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:19,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:19,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:19,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:19,317 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-23 15:19:19,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 1002 treesize of output 1010 [2022-11-23 15:19:19,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:19,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:19,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:19,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:19,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:19,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:19,614 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-23 15:19:19,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 1009 treesize of output 1017 [2022-11-23 15:19:19,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:19,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:19,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:19,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:19,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:19,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:19,847 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-23 15:19:19,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 1009 treesize of output 1017 [2022-11-23 15:19:19,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:19,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:19,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:19,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:19,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:19,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:20,098 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-23 15:19:20,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 996 treesize of output 1004 [2022-11-23 15:19:20,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:20,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:20,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:20,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:20,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:20,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:20,323 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-23 15:19:20,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 1003 treesize of output 1011 [2022-11-23 15:19:20,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:20,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:20,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:20,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:20,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:20,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:19:20,515 INFO L321 Elim1Store]: treesize reduction 128, result has 19.0 percent of original size [2022-11-23 15:19:20,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 42 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 3 case distinctions, treesize of input 1003 treesize of output 1011 [2022-11-23 15:20:16,031 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 11136 conjuctions. This might take some time... [2022-11-23 15:22:12,437 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 11136 conjuctions. [2022-11-23 15:22:13,778 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 11136 conjuctions. This might take some time... [2022-11-23 15:24:14,676 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 11136 conjuctions. [2022-11-23 15:24:29,815 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-23 15:24:29,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-11-23 15:24:37,178 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-11-23 15:24:37,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 55 treesize of output 27 [2022-11-23 15:24:37,333 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-23 15:24:37,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-23 15:25:06,117 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-23 15:25:06,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-23 15:25:06,198 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-23 15:25:06,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-11-23 15:25:06,267 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-11-23 15:25:06,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 55 treesize of output 27 [2022-11-23 15:25:06,571 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:06,572 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:06,632 INFO L321 Elim1Store]: treesize reduction 67, result has 33.7 percent of original size [2022-11-23 15:25:06,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 95 treesize of output 34 [2022-11-23 15:25:06,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:06,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:06,734 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-11-23 15:25:06,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 87 treesize of output 45 [2022-11-23 15:25:06,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:06,830 INFO L321 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2022-11-23 15:25:06,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 47 treesize of output 15 [2022-11-23 15:25:06,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:06,879 INFO L321 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2022-11-23 15:25:06,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 23 [2022-11-23 15:25:07,017 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-23 15:25:07,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-11-23 15:25:07,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:07,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:07,487 INFO L321 Elim1Store]: treesize reduction 267, result has 37.9 percent of original size [2022-11-23 15:25:07,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 141 treesize of output 200 [2022-11-23 15:25:08,993 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-23 15:25:08,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-23 15:25:12,023 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-11-23 15:25:12,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 55 treesize of output 27 [2022-11-23 15:25:12,118 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-23 15:25:12,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-11-23 15:25:12,212 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-23 15:25:12,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-23 15:25:12,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:12,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:12,587 INFO L321 Elim1Store]: treesize reduction 67, result has 33.7 percent of original size [2022-11-23 15:25:12,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 95 treesize of output 34 [2022-11-23 15:25:12,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:12,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:12,705 INFO L321 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2022-11-23 15:25:12,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 87 treesize of output 45 [2022-11-23 15:25:12,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:12,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:12,861 INFO L321 Elim1Store]: treesize reduction 67, result has 33.7 percent of original size [2022-11-23 15:25:12,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 95 treesize of output 34 [2022-11-23 15:25:12,988 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-23 15:25:12,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-11-23 15:25:13,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:13,052 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:25:13,434 INFO L321 Elim1Store]: treesize reduction 267, result has 37.9 percent of original size [2022-11-23 15:25:13,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 141 treesize of output 200 [2022-11-23 15:25:14,833 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-23 15:25:14,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-23 15:25:16,352 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-11-23 15:25:16,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 55 treesize of output 27 [2022-11-23 15:25:16,443 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-23 15:25:16,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-23 15:25:16,537 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-23 15:25:16,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-11-23 15:25:16,809 INFO L321 Elim1Store]: treesize reduction 42, result has 39.1 percent of original size [2022-11-23 15:25:16,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 57 treesize of output 55 [2022-11-23 15:25:16,885 INFO L321 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2022-11-23 15:25:16,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 55 treesize of output 27 [2022-11-23 15:25:16,978 INFO L321 Elim1Store]: treesize reduction 29, result has 48.2 percent of original size [2022-11-23 15:25:16,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 44 treesize of output 42 [2022-11-23 15:25:17,092 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:25:19,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [203792890] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:25:19,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:25:19,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5, 5] total 13 [2022-11-23 15:25:19,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103948528] [2022-11-23 15:25:19,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:25:19,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:25:19,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:25:19,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:25:19,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:25:19,106 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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) [2022-11-23 15:25:19,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:25:19,251 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2022-11-23 15:25:19,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:25:19,252 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 [2022-11-23 15:25:19,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:25:19,252 INFO L225 Difference]: With dead ends: 21 [2022-11-23 15:25:19,252 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 15:25:19,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:25:19,255 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 10 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:25:19,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 0 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:25:19,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 15:25:19,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 15:25:19,258 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) [2022-11-23 15:25:19,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 15:25:19,258 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-11-23 15:25:19,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:25:19,258 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 15:25:19,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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) [2022-11-23 15:25:19,259 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 15:25:19,259 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 15:25:19,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-23 15:25:19,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-23 15:25:19,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-23 15:25:19,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-23 15:25:19,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-23 15:25:19,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-23 15:25:19,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-23 15:25:19,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-23 15:25:19,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:25:19,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:25:19,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 15:25:23,518 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 5 7) the Hoare annotation is: true [2022-11-23 15:25:23,518 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-11-23 15:25:23,518 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_joinEXIT(lines 642 663) no Hoare annotation was computed. [2022-11-23 15:25:23,519 INFO L902 garLoopResultBuilder]: At program point __CS_pthread_joinENTRY(lines 642 663) the Hoare annotation is: true [2022-11-23 15:25:23,519 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_joinFINAL(lines 642 663) no Hoare annotation was computed. [2022-11-23 15:25:23,519 INFO L902 garLoopResultBuilder]: At program point L661(line 661) the Hoare annotation is: true [2022-11-23 15:25:23,519 INFO L899 garLoopResultBuilder]: For program point L661-1(line 661) no Hoare annotation was computed. [2022-11-23 15:25:23,520 INFO L899 garLoopResultBuilder]: For program point L655(lines 655 660) no Hoare annotation was computed. [2022-11-23 15:25:23,520 INFO L899 garLoopResultBuilder]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2022-11-23 15:25:23,520 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 649) no Hoare annotation was computed. [2022-11-23 15:25:23,520 INFO L902 garLoopResultBuilder]: At program point L801(line 801) the Hoare annotation is: true [2022-11-23 15:25:23,520 INFO L899 garLoopResultBuilder]: For program point L801-1(lines 798 810) no Hoare annotation was computed. [2022-11-23 15:25:23,520 INFO L902 garLoopResultBuilder]: At program point L797(lines 797 810) the Hoare annotation is: true [2022-11-23 15:25:23,521 INFO L902 garLoopResultBuilder]: At program point L808(line 808) the Hoare annotation is: true [2022-11-23 15:25:23,521 INFO L899 garLoopResultBuilder]: For program point L808-1(line 808) no Hoare annotation was computed. [2022-11-23 15:25:23,521 INFO L902 garLoopResultBuilder]: At program point L806(line 806) the Hoare annotation is: true [2022-11-23 15:25:23,521 INFO L899 garLoopResultBuilder]: For program point L806-1(line 806) no Hoare annotation was computed. [2022-11-23 15:25:23,521 INFO L902 garLoopResultBuilder]: At program point L804(line 804) the Hoare annotation is: true [2022-11-23 15:25:23,521 INFO L899 garLoopResultBuilder]: For program point L804-1(line 804) no Hoare annotation was computed. [2022-11-23 15:25:23,521 INFO L902 garLoopResultBuilder]: At program point L802(line 802) the Hoare annotation is: true [2022-11-23 15:25:23,521 INFO L899 garLoopResultBuilder]: For program point L802-1(line 802) no Hoare annotation was computed. [2022-11-23 15:25:23,522 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~TO~$Pointer$ENTRY(line -1) the Hoare annotation is: true [2022-11-23 15:25:23,522 INFO L902 garLoopResultBuilder]: At program point L809(line 809) the Hoare annotation is: true [2022-11-23 15:25:23,522 INFO L899 garLoopResultBuilder]: For program point L809-1(lines 798 810) no Hoare annotation was computed. [2022-11-23 15:25:23,522 INFO L902 garLoopResultBuilder]: At program point L807(line 807) the Hoare annotation is: true [2022-11-23 15:25:23,522 INFO L899 garLoopResultBuilder]: For program point L807-1(lines 798 810) no Hoare annotation was computed. [2022-11-23 15:25:23,523 INFO L902 garLoopResultBuilder]: At program point L805(line 805) the Hoare annotation is: true [2022-11-23 15:25:23,523 INFO L899 garLoopResultBuilder]: For program point L805-1(lines 798 810) no Hoare annotation was computed. [2022-11-23 15:25:23,523 INFO L902 garLoopResultBuilder]: At program point L803(line 803) the Hoare annotation is: true [2022-11-23 15:25:23,523 INFO L899 garLoopResultBuilder]: For program point L803-1(lines 798 810) no Hoare annotation was computed. [2022-11-23 15:25:23,523 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~$Pointer$EXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:25:23,523 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_createEXIT(lines 664 677) no Hoare annotation was computed. [2022-11-23 15:25:23,523 INFO L902 garLoopResultBuilder]: At program point __CS_pthread_createENTRY(lines 664 677) the Hoare annotation is: true [2022-11-23 15:25:23,524 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 819) no Hoare annotation was computed. [2022-11-23 15:25:23,524 INFO L902 garLoopResultBuilder]: At program point L861(line 861) the Hoare annotation is: true [2022-11-23 15:25:23,524 INFO L899 garLoopResultBuilder]: For program point L861-1(line 861) no Hoare annotation was computed. [2022-11-23 15:25:23,524 INFO L902 garLoopResultBuilder]: At program point L886(line 886) the Hoare annotation is: true [2022-11-23 15:25:23,524 INFO L899 garLoopResultBuilder]: For program point L886-1(line 886) no Hoare annotation was computed. [2022-11-23 15:25:23,524 INFO L902 garLoopResultBuilder]: At program point L878(line 878) the Hoare annotation is: true [2022-11-23 15:25:23,524 INFO L899 garLoopResultBuilder]: For program point L878-1(line 878) no Hoare annotation was computed. [2022-11-23 15:25:23,525 INFO L902 garLoopResultBuilder]: At program point L870(line 870) the Hoare annotation is: true [2022-11-23 15:25:23,525 INFO L899 garLoopResultBuilder]: For program point L870-1(line 870) no Hoare annotation was computed. [2022-11-23 15:25:23,525 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 823) no Hoare annotation was computed. [2022-11-23 15:25:23,525 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 15:25:23,525 INFO L902 garLoopResultBuilder]: At program point L887(line 887) the Hoare annotation is: true [2022-11-23 15:25:23,525 INFO L902 garLoopResultBuilder]: At program point L887-1(line 887) the Hoare annotation is: true [2022-11-23 15:25:23,525 INFO L902 garLoopResultBuilder]: At program point L879(line 879) the Hoare annotation is: true [2022-11-23 15:25:23,526 INFO L899 garLoopResultBuilder]: For program point L879-1(line 879) no Hoare annotation was computed. [2022-11-23 15:25:23,526 INFO L902 garLoopResultBuilder]: At program point L871(line 871) the Hoare annotation is: true [2022-11-23 15:25:23,526 INFO L899 garLoopResultBuilder]: For program point L871-1(line 871) no Hoare annotation was computed. [2022-11-23 15:25:23,526 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 823) no Hoare annotation was computed. [2022-11-23 15:25:23,526 INFO L902 garLoopResultBuilder]: At program point L855(line 855) the Hoare annotation is: true [2022-11-23 15:25:23,526 INFO L899 garLoopResultBuilder]: For program point L855-1(line 855) no Hoare annotation was computed. [2022-11-23 15:25:23,527 INFO L902 garLoopResultBuilder]: At program point L880(line 880) the Hoare annotation is: true [2022-11-23 15:25:23,527 INFO L899 garLoopResultBuilder]: For program point L880-1(line 880) no Hoare annotation was computed. [2022-11-23 15:25:23,527 INFO L902 garLoopResultBuilder]: At program point L872(line 872) the Hoare annotation is: true [2022-11-23 15:25:23,527 INFO L899 garLoopResultBuilder]: For program point L872-1(line 872) no Hoare annotation was computed. [2022-11-23 15:25:23,527 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 869) no Hoare annotation was computed. [2022-11-23 15:25:23,528 INFO L899 garLoopResultBuilder]: For program point L864-1(lines 864 869) no Hoare annotation was computed. [2022-11-23 15:25:23,528 INFO L899 garLoopResultBuilder]: For program point L823-3(line 823) no Hoare annotation was computed. [2022-11-23 15:25:23,528 INFO L899 garLoopResultBuilder]: For program point L823-4(line 823) no Hoare annotation was computed. [2022-11-23 15:25:23,529 INFO L895 garLoopResultBuilder]: At program point L823-5(lines 823 826) the Hoare annotation is: (and (<= 2 ~__THREAD_FINISHED~0) (<= |~#__CS_thread_lockedon~0.offset| 0) (<= |~#flag2~0.base| 8) (<= 0 |ULTIMATE.start_main_~#__CS_cp_x~0#1.base|) (<= 8 |~#flag2~0.base|) (<= 0 |~#flag1~0.offset|) (<= 0 |#NULL.base|) (<= 0 |~#__CS_thread_lockedon~0.offset|) (<= 0 |ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) (<= 0 |ULTIMATE.start_main_~#__CS_cp_flag1~0#1.offset|) (<= 4 ~__CS_ret_FINISHED~0) (<= |ULTIMATE.start_main_~i~0#1| 3) (<= 0 |~#flag2~0.offset|) (<= 0 ~__CS_round~0) (<= 0 |ULTIMATE.start_main_~#__CS_cp_flag1~0#1.base|) (<= 0 |ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (<= 0 |~#x~0.offset|) (<= 1 ~__THREAD_RUNNING~0) (<= ~__CS_ret_FINISHED~0 4) (<= 4 |~#__CS_thread_born_round~0.base|) (<= |~#__CS_thread_born_round~0.offset| 0) (<= 7 |~#flag1~0.base|) (<= 0 |ULTIMATE.start_main_~#__CS_cp_x~0#1.offset|) (<= |ULTIMATE.start_main_~#__CS_cp_flag2~0#1.offset| 0) (<= |~#__CS_thread_status~0.offset| 0) (<= |#NULL.offset| 0) (<= |~#__CS_thread_born_round~0.base| 4) (<= ~__CS_ret~0 0) (<= 0 ~__CS_thread_index~0) (<= 0 |ULTIMATE.start_main_~#__CS_cp_flag2~0#1.base|) (<= ~__CS_round~0 0) (<= |ULTIMATE.start_main_~#__CS_cp_flag1~0#1.offset| 0) (<= |ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |~#x~0.base| 9) (<= ~__THREAD_FINISHED~0 2) (<= 0 ~__THREAD_UNUSED~0) (<= 0 |~#__CS_thread_status~0.offset|) (<= |~#flag1~0.base| 7) (<= 5 |~#__CS_thread_status~0.base|) (<= 0 |ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset|) (<= 2 ~__CS_ret_ERROR~0) (<= 0 |~#__CS_thread_born_round~0.offset|) (<= |~#flag2~0.offset| 0) (<= |#NULL.base| 0) (<= 0 |~#__CS_thread_allocated~0.offset|) (<= |~#__CS_thread_lockedon~0.base| 6) (<= |~#__CS_thread_allocated~0.offset| 0) (<= |~#flag1~0.offset| 0) (<= 3 |~#__CS_thread_allocated~0.base|) (<= ~__THREAD_UNUSED~0 0) (<= |~#__CS_thread_status~0.base| 5) (<= 0 ~__CS_ret~0) (<= |ULTIMATE.start_main_~#__CS_cp_x~0#1.offset| 0) (<= 9 |~#x~0.base|) (<= ~__THREAD_RUNNING~0 1) (<= 0 |ULTIMATE.start_main_~j~2#1|) (<= 0 |ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset|) (<= 0 |ULTIMATE.start_main_~#__CS_cp_flag2~0#1.offset|) (<= ~__CS_ret_ERROR~0 2) (<= |~#x~0.offset| 0) (<= |ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 0) (<= 0 |#NULL.offset|) (<= |~#__CS_thread_allocated~0.base| 3) (<= 0 ~__CS_error~0) (<= ~__CS_ret_PREEMPTED~0 1) (<= ~__CS_error~0 0) (<= 0 |#StackHeapBarrier|) (<= 1 ~__CS_ret_PREEMPTED~0) (<= ~__CS_thread_index~0 0) (<= 6 |~#__CS_thread_lockedon~0.base|)) [2022-11-23 15:25:23,529 INFO L902 garLoopResultBuilder]: At program point L881(line 881) the Hoare annotation is: true [2022-11-23 15:25:23,529 INFO L899 garLoopResultBuilder]: For program point L881-1(line 881) no Hoare annotation was computed. [2022-11-23 15:25:23,529 INFO L902 garLoopResultBuilder]: At program point L873(line 873) the Hoare annotation is: true [2022-11-23 15:25:23,530 INFO L899 garLoopResultBuilder]: For program point L873-1(line 873) no Hoare annotation was computed. [2022-11-23 15:25:23,530 INFO L902 garLoopResultBuilder]: At program point L882(line 882) the Hoare annotation is: true [2022-11-23 15:25:23,530 INFO L899 garLoopResultBuilder]: For program point L882-1(line 882) no Hoare annotation was computed. [2022-11-23 15:25:23,530 INFO L902 garLoopResultBuilder]: At program point L874(line 874) the Hoare annotation is: true [2022-11-23 15:25:23,530 INFO L899 garLoopResultBuilder]: For program point L874-1(line 874) no Hoare annotation was computed. [2022-11-23 15:25:23,530 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 863) no Hoare annotation was computed. [2022-11-23 15:25:23,530 INFO L899 garLoopResultBuilder]: For program point L858-1(lines 858 863) no Hoare annotation was computed. [2022-11-23 15:25:23,530 INFO L902 garLoopResultBuilder]: At program point L883(line 883) the Hoare annotation is: true [2022-11-23 15:25:23,531 INFO L899 garLoopResultBuilder]: For program point L883-1(line 883) no Hoare annotation was computed. [2022-11-23 15:25:23,531 INFO L902 garLoopResultBuilder]: At program point L875(line 875) the Hoare annotation is: true [2022-11-23 15:25:23,531 INFO L899 garLoopResultBuilder]: For program point L875-1(line 875) no Hoare annotation was computed. [2022-11-23 15:25:23,531 INFO L902 garLoopResultBuilder]: At program point L867(line 867) the Hoare annotation is: true [2022-11-23 15:25:23,531 INFO L899 garLoopResultBuilder]: For program point L867-1(line 867) no Hoare annotation was computed. [2022-11-23 15:25:23,531 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:25:23,531 INFO L902 garLoopResultBuilder]: At program point L884(line 884) the Hoare annotation is: true [2022-11-23 15:25:23,531 INFO L899 garLoopResultBuilder]: For program point L884-1(line 884) no Hoare annotation was computed. [2022-11-23 15:25:23,531 INFO L902 garLoopResultBuilder]: At program point L876(line 876) the Hoare annotation is: true [2022-11-23 15:25:23,532 INFO L899 garLoopResultBuilder]: For program point L876-1(line 876) no Hoare annotation was computed. [2022-11-23 15:25:23,532 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 819) no Hoare annotation was computed. [2022-11-23 15:25:23,532 INFO L902 garLoopResultBuilder]: At program point L885(line 885) the Hoare annotation is: true [2022-11-23 15:25:23,532 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 857) no Hoare annotation was computed. [2022-11-23 15:25:23,532 INFO L899 garLoopResultBuilder]: For program point L885-1(line 885) no Hoare annotation was computed. [2022-11-23 15:25:23,532 INFO L899 garLoopResultBuilder]: For program point L852-1(lines 852 857) no Hoare annotation was computed. [2022-11-23 15:25:23,532 INFO L899 garLoopResultBuilder]: For program point L819-3(line 819) no Hoare annotation was computed. [2022-11-23 15:25:23,532 INFO L899 garLoopResultBuilder]: For program point L819-4(line 819) no Hoare annotation was computed. [2022-11-23 15:25:23,533 INFO L895 garLoopResultBuilder]: At program point L819-5(lines 819 827) the Hoare annotation is: (and (<= 2 ~__THREAD_FINISHED~0) (<= |~#__CS_thread_lockedon~0.offset| 0) (<= |~#flag2~0.base| 8) (<= 0 |ULTIMATE.start_main_~#__CS_cp_x~0#1.base|) (<= 8 |~#flag2~0.base|) (<= 0 |~#flag1~0.offset|) (<= 0 |#NULL.base|) (<= 0 |~#__CS_thread_lockedon~0.offset|) (<= 0 |ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.base|) (<= 0 |ULTIMATE.start_main_~#__CS_cp_flag1~0#1.offset|) (<= 4 ~__CS_ret_FINISHED~0) (<= 0 |~#flag2~0.offset|) (<= 0 ~__CS_round~0) (<= 0 |ULTIMATE.start_main_~#__CS_cp_flag1~0#1.base|) (<= 0 |ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.base|) (<= 0 |~#x~0.offset|) (<= 1 ~__THREAD_RUNNING~0) (<= ~__CS_ret_FINISHED~0 4) (<= 4 |~#__CS_thread_born_round~0.base|) (<= |~#__CS_thread_born_round~0.offset| 0) (<= 7 |~#flag1~0.base|) (<= 0 |ULTIMATE.start_main_~#__CS_cp_x~0#1.offset|) (<= |ULTIMATE.start_main_~#__CS_cp_flag2~0#1.offset| 0) (<= |~#__CS_thread_status~0.offset| 0) (<= |#NULL.offset| 0) (<= |~#__CS_thread_born_round~0.base| 4) (<= ~__CS_ret~0 0) (<= 0 ~__CS_thread_index~0) (<= 0 |ULTIMATE.start_main_~#__CS_cp_flag2~0#1.base|) (<= ~__CS_round~0 0) (<= |ULTIMATE.start_main_~#__CS_cp_flag1~0#1.offset| 0) (<= |ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |~#x~0.base| 9) (<= ~__THREAD_FINISHED~0 2) (<= 0 ~__THREAD_UNUSED~0) (<= 0 |~#__CS_thread_status~0.offset|) (<= |~#flag1~0.base| 7) (<= 5 |~#__CS_thread_status~0.base|) (<= 0 |ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset|) (<= 2 ~__CS_ret_ERROR~0) (<= 0 |~#__CS_thread_born_round~0.offset|) (<= |~#flag2~0.offset| 0) (<= |#NULL.base| 0) (<= 0 |~#__CS_thread_allocated~0.offset|) (<= |~#__CS_thread_lockedon~0.base| 6) (<= |~#__CS_thread_allocated~0.offset| 0) (<= |~#flag1~0.offset| 0) (<= 3 |~#__CS_thread_allocated~0.base|) (<= ~__THREAD_UNUSED~0 0) (<= |~#__CS_thread_status~0.base| 5) (<= 0 ~__CS_ret~0) (<= |ULTIMATE.start_main_~#__CS_cp_x~0#1.offset| 0) (<= 9 |~#x~0.base|) (<= ~__THREAD_RUNNING~0 1) (<= 0 |ULTIMATE.start_main_~#__CS_cp___CS_thread_status~0#1.offset|) (<= 0 |ULTIMATE.start_main_~#__CS_cp_flag2~0#1.offset|) (<= ~__CS_ret_ERROR~0 2) (<= |~#x~0.offset| 0) (<= |ULTIMATE.start_main_~#__CS_cp___CS_thread_lockedon~0#1.offset| 0) (<= 0 |#NULL.offset|) (<= |~#__CS_thread_allocated~0.base| 3) (<= 0 ~__CS_error~0) (<= ~__CS_ret_PREEMPTED~0 1) (<= ~__CS_error~0 0) (<= 0 |#StackHeapBarrier|) (<= 1 ~__CS_ret_PREEMPTED~0) (<= ~__CS_thread_index~0 0) (<= 6 |~#__CS_thread_lockedon~0.base|)) [2022-11-23 15:25:23,533 INFO L902 garLoopResultBuilder]: At program point L877(line 877) the Hoare annotation is: true [2022-11-23 15:25:23,533 INFO L899 garLoopResultBuilder]: For program point L877-1(line 877) no Hoare annotation was computed. [2022-11-23 15:25:23,534 INFO L899 garLoopResultBuilder]: For program point __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 565) no Hoare annotation was computed. [2022-11-23 15:25:23,534 INFO L899 garLoopResultBuilder]: For program point __CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 565) no Hoare annotation was computed. [2022-11-23 15:25:23,534 INFO L899 garLoopResultBuilder]: For program point __CS_csEXIT(lines 562 568) no Hoare annotation was computed. [2022-11-23 15:25:23,534 INFO L899 garLoopResultBuilder]: For program point __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 566) no Hoare annotation was computed. [2022-11-23 15:25:23,534 INFO L899 garLoopResultBuilder]: For program point __CS_csErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 566) no Hoare annotation was computed. [2022-11-23 15:25:23,534 INFO L902 garLoopResultBuilder]: At program point __CS_csENTRY(lines 562 568) the Hoare annotation is: true [2022-11-23 15:25:23,534 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-11-23 15:25:23,534 INFO L899 garLoopResultBuilder]: For program point L565(line 565) no Hoare annotation was computed. [2022-11-23 15:25:23,535 INFO L899 garLoopResultBuilder]: For program point L565-1(line 565) no Hoare annotation was computed. [2022-11-23 15:25:23,535 INFO L902 garLoopResultBuilder]: At program point L565-2(line 565) the Hoare annotation is: true [2022-11-23 15:25:23,535 INFO L899 garLoopResultBuilder]: For program point L565-3(line 565) no Hoare annotation was computed. [2022-11-23 15:25:23,538 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-23 15:25:23,541 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:25:23,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:25:23 BoogieIcfgContainer [2022-11-23 15:25:23,572 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:25:23,573 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:25:23,573 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:25:23,574 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:25:23,574 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:18:03" (3/4) ... [2022-11-23 15:25:23,578 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 15:25:23,586 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_join [2022-11-23 15:25:23,586 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-23 15:25:23,586 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_create [2022-11-23 15:25:23,587 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-23 15:25:23,587 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_cs [2022-11-23 15:25:23,598 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2022-11-23 15:25:23,599 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-23 15:25:23,600 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-23 15:25:23,601 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 15:25:23,602 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:25:23,757 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:25:23,758 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:25:23,758 INFO L158 Benchmark]: Toolchain (without parser) took 444395.84ms. Allocated memory was 163.6MB in the beginning and 497.0MB in the end (delta: 333.4MB). Free memory was 116.9MB in the beginning and 113.2MB in the end (delta: 3.8MB). Peak memory consumption was 339.2MB. Max. memory is 16.1GB. [2022-11-23 15:25:23,759 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 163.6MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:25:23,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 887.94ms. Allocated memory is still 163.6MB. Free memory was 116.9MB in the beginning and 90.3MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-23 15:25:23,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.14ms. Allocated memory is still 163.6MB. Free memory was 90.3MB in the beginning and 86.1MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 15:25:23,761 INFO L158 Benchmark]: Boogie Preprocessor took 79.00ms. Allocated memory is still 163.6MB. Free memory was 86.1MB in the beginning and 83.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:25:23,762 INFO L158 Benchmark]: RCFGBuilder took 3535.47ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 82.6MB in the beginning and 190.0MB in the end (delta: -107.4MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2022-11-23 15:25:23,762 INFO L158 Benchmark]: TraceAbstraction took 439607.21ms. Allocated memory was 237.0MB in the beginning and 497.0MB in the end (delta: 260.0MB). Free memory was 190.0MB in the beginning and 121.6MB in the end (delta: 68.4MB). Peak memory consumption was 369.3MB. Max. memory is 16.1GB. [2022-11-23 15:25:23,762 INFO L158 Benchmark]: Witness Printer took 184.88ms. Allocated memory is still 497.0MB. Free memory was 121.6MB in the beginning and 113.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-23 15:25:23,764 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 163.6MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 887.94ms. Allocated memory is still 163.6MB. Free memory was 116.9MB in the beginning and 90.3MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.14ms. Allocated memory is still 163.6MB. Free memory was 90.3MB in the beginning and 86.1MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.00ms. Allocated memory is still 163.6MB. Free memory was 86.1MB in the beginning and 83.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3535.47ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 82.6MB in the beginning and 190.0MB in the end (delta: -107.4MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * TraceAbstraction took 439607.21ms. Allocated memory was 237.0MB in the beginning and 497.0MB in the end (delta: 260.0MB). Free memory was 190.0MB in the beginning and 121.6MB in the end (delta: 68.4MB). Peak memory consumption was 369.3MB. Max. memory is 16.1GB. * Witness Printer took 184.88ms. Allocated memory is still 497.0MB. Free memory was 121.6MB in the beginning and 113.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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: 823]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 823]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 819]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 819]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: 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 6 procedures, 104 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 439.5s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 16.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 282 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 147 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 135 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 42 SyntacticMatches, 8 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 22.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 162 PreInvPairs, 190 NumberOfFragments, 461 HoareAnnotationTreeSize, 162 FomulaSimplifications, 420 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 41 FomulaSimplificationsInter, 2562 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 117 SizeOfPredicates, 2 NumberOfNonLiveVariables, 859 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 27/33 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: 407.7s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 10, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 61, TOOLS_POST_TIME: 146.9s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 61, TOOLS_QUANTIFIERELIM_TIME: 146.8s, TOOLS_QUANTIFIERELIM_MAX_TIME: 59.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 114, FLUID_YES_ANSWERS: 6, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME: 0.0s, DOMAIN_ALPHA_APPLICATIONS: 6, DOMAIN_ALPHA_TIME: 255.1s, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME: 5.4s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME: 0.2s, DOMAIN_ISBOTTOM_APPLICATIONS: 10, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME: 399.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 399.2s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, 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: 99, DAG_COMPRESSION_RETAINED_NODES: 53, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2 <= __THREAD_FINISHED && __CS_thread_lockedon <= 0) && flag2 <= 8) && 0 <= __CS_cp_x) && 8 <= flag2) && 0 <= flag1) && 0 <= #NULL) && 0 <= __CS_thread_lockedon) && 0 <= __CS_cp___CS_thread_lockedon) && 0 <= __CS_cp_flag1) && 4 <= __CS_ret_FINISHED) && i <= 3) && 0 <= flag2) && 0 <= __CS_round) && 0 <= __CS_cp_flag1) && 0 <= __CS_cp___CS_thread_status) && 0 <= x) && 1 <= __THREAD_RUNNING) && __CS_ret_FINISHED <= 4) && 4 <= __CS_thread_born_round) && __CS_thread_born_round <= 0) && 7 <= flag1) && 0 <= __CS_cp_x) && __CS_cp_flag2 <= 0) && __CS_thread_status <= 0) && #NULL <= 0) && __CS_thread_born_round <= 4) && __CS_ret <= 0) && 0 <= __CS_thread_index) && 0 <= __CS_cp_flag2) && __CS_round <= 0) && __CS_cp_flag1 <= 0) && __CS_cp___CS_thread_status <= 0) && 0 <= i) && x <= 9) && __THREAD_FINISHED <= 2) && 0 <= __THREAD_UNUSED) && 0 <= __CS_thread_status) && flag1 <= 7) && 5 <= __CS_thread_status) && 0 <= __CS_cp___CS_thread_lockedon) && 2 <= __CS_ret_ERROR) && 0 <= __CS_thread_born_round) && flag2 <= 0) && #NULL <= 0) && 0 <= __CS_thread_allocated) && __CS_thread_lockedon <= 6) && __CS_thread_allocated <= 0) && flag1 <= 0) && 3 <= __CS_thread_allocated) && __THREAD_UNUSED <= 0) && __CS_thread_status <= 5) && 0 <= __CS_ret) && __CS_cp_x <= 0) && 9 <= x) && __THREAD_RUNNING <= 1) && 0 <= j) && 0 <= __CS_cp___CS_thread_status) && 0 <= __CS_cp_flag2) && __CS_ret_ERROR <= 2) && x <= 0) && __CS_cp___CS_thread_lockedon <= 0) && 0 <= #NULL) && __CS_thread_allocated <= 3) && 0 <= __CS_error) && __CS_ret_PREEMPTED <= 1) && __CS_error <= 0) && 0 <= unknown-#StackHeapBarrier-unknown) && 1 <= __CS_ret_PREEMPTED) && __CS_thread_index <= 0) && 6 <= __CS_thread_lockedon - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((2 <= __THREAD_FINISHED && __CS_thread_lockedon <= 0) && flag2 <= 8) && 0 <= __CS_cp_x) && 8 <= flag2) && 0 <= flag1) && 0 <= #NULL) && 0 <= __CS_thread_lockedon) && 0 <= __CS_cp___CS_thread_lockedon) && 0 <= __CS_cp_flag1) && 4 <= __CS_ret_FINISHED) && 0 <= flag2) && 0 <= __CS_round) && 0 <= __CS_cp_flag1) && 0 <= __CS_cp___CS_thread_status) && 0 <= x) && 1 <= __THREAD_RUNNING) && __CS_ret_FINISHED <= 4) && 4 <= __CS_thread_born_round) && __CS_thread_born_round <= 0) && 7 <= flag1) && 0 <= __CS_cp_x) && __CS_cp_flag2 <= 0) && __CS_thread_status <= 0) && #NULL <= 0) && __CS_thread_born_round <= 4) && __CS_ret <= 0) && 0 <= __CS_thread_index) && 0 <= __CS_cp_flag2) && __CS_round <= 0) && __CS_cp_flag1 <= 0) && __CS_cp___CS_thread_status <= 0) && 0 <= i) && x <= 9) && __THREAD_FINISHED <= 2) && 0 <= __THREAD_UNUSED) && 0 <= __CS_thread_status) && flag1 <= 7) && 5 <= __CS_thread_status) && 0 <= __CS_cp___CS_thread_lockedon) && 2 <= __CS_ret_ERROR) && 0 <= __CS_thread_born_round) && flag2 <= 0) && #NULL <= 0) && 0 <= __CS_thread_allocated) && __CS_thread_lockedon <= 6) && __CS_thread_allocated <= 0) && flag1 <= 0) && 3 <= __CS_thread_allocated) && __THREAD_UNUSED <= 0) && __CS_thread_status <= 5) && 0 <= __CS_ret) && __CS_cp_x <= 0) && 9 <= x) && __THREAD_RUNNING <= 1) && 0 <= __CS_cp___CS_thread_status) && 0 <= __CS_cp_flag2) && __CS_ret_ERROR <= 2) && x <= 0) && __CS_cp___CS_thread_lockedon <= 0) && 0 <= #NULL) && __CS_thread_allocated <= 3) && 0 <= __CS_error) && __CS_ret_PREEMPTED <= 1) && __CS_error <= 0) && 0 <= unknown-#StackHeapBarrier-unknown) && 1 <= __CS_ret_PREEMPTED) && __CS_thread_index <= 0) && 6 <= __CS_thread_lockedon RESULT: Ultimate proved your program to be correct! [2022-11-23 15:25:23,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d651898e-07c4-4d9d-a028-270fa805985a/bin/utaipan-Q6hlc19bkW/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