./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6fff6eb11b5ece9f2655331435003a1af77ee5ac869f244677acc531eb435a19 --- 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-e04fb08 [2022-11-16 15:55:55,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 15:55:55,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 15:55:55,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 15:55:55,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 15:55:55,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 15:55:55,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 15:55:55,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 15:55:55,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 15:55:55,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 15:55:55,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 15:55:55,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 15:55:55,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 15:55:55,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 15:55:55,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 15:55:55,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 15:55:55,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 15:55:55,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 15:55:55,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 15:55:55,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 15:55:55,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 15:55:55,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 15:55:55,621 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 15:55:55,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 15:55:55,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 15:55:55,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 15:55:55,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 15:55:55,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 15:55:55,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 15:55:55,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 15:55:55,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 15:55:55,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 15:55:55,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 15:55:55,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 15:55:55,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 15:55:55,641 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 15:55:55,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 15:55:55,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 15:55:55,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 15:55:55,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 15:55:55,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 15:55:55,644 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-16 15:55:55,669 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 15:55:55,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 15:55:55,670 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 15:55:55,670 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 15:55:55,671 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 15:55:55,671 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 15:55:55,671 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 15:55:55,671 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 15:55:55,672 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 15:55:55,672 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 15:55:55,672 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 15:55:55,672 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 15:55:55,672 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 15:55:55,673 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 15:55:55,673 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 15:55:55,673 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 15:55:55,673 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 15:55:55,673 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 15:55:55,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 15:55:55,674 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 15:55:55,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 15:55:55,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 15:55:55,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 15:55:55,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 15:55:55,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 15:55:55,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 15:55:55,676 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 15:55:55,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 15:55:55,676 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 15:55:55,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 15:55:55,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 15:55:55,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 15:55:55,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 15:55:55,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 15:55:55,678 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 15:55:55,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 15:55:55,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 15:55:55,678 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 15:55:55,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 15:55:55,679 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 15:55:55,679 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 15:55:55,679 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_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fff6eb11b5ece9f2655331435003a1af77ee5ac869f244677acc531eb435a19 [2022-11-16 15:55:55,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 15:55:55,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 15:55:55,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 15:55:55,997 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 15:55:55,998 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 15:55:55,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i [2022-11-16 15:55:56,079 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/data/15fa64bc0/009f281915234fccbea069cfff09ce74/FLAG96e64de30 [2022-11-16 15:55:56,686 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 15:55:56,686 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i [2022-11-16 15:55:56,707 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/data/15fa64bc0/009f281915234fccbea069cfff09ce74/FLAG96e64de30 [2022-11-16 15:55:56,896 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/data/15fa64bc0/009f281915234fccbea069cfff09ce74 [2022-11-16 15:55:56,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 15:55:56,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 15:55:56,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 15:55:56,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 15:55:56,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 15:55:56,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:55:56" (1/1) ... [2022-11-16 15:55:56,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7444bd4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:55:56, skipping insertion in model container [2022-11-16 15:55:56,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:55:56" (1/1) ... [2022-11-16 15:55:56,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 15:55:56,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 15:55:57,439 WARN L229 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_1dcca426-39b0-4027-971d-20ad1c0f7c99/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i[33021,33034] [2022-11-16 15:55:57,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 15:55:57,623 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 15:55:57,657 WARN L229 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_1dcca426-39b0-4027-971d-20ad1c0f7c99/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-2.i[33021,33034] [2022-11-16 15:55:57,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 15:55:57,771 INFO L208 MainTranslator]: Completed translation [2022-11-16 15:55:57,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:55:57 WrapperNode [2022-11-16 15:55:57,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 15:55:57,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 15:55:57,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 15:55:57,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 15:55:57,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:55:57" (1/1) ... [2022-11-16 15:55:57,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:55:57" (1/1) ... [2022-11-16 15:55:57,894 INFO L138 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1300 [2022-11-16 15:55:57,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 15:55:57,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 15:55:57,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 15:55:57,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 15:55:57,904 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:55:57" (1/1) ... [2022-11-16 15:55:57,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:55:57" (1/1) ... [2022-11-16 15:55:57,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:55:57" (1/1) ... [2022-11-16 15:55:57,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:55:57" (1/1) ... [2022-11-16 15:55:58,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:55:57" (1/1) ... [2022-11-16 15:55:58,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:55:57" (1/1) ... [2022-11-16 15:55:58,062 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:55:57" (1/1) ... [2022-11-16 15:55:58,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:55:57" (1/1) ... [2022-11-16 15:55:58,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 15:55:58,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 15:55:58,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 15:55:58,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 15:55:58,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:55:57" (1/1) ... [2022-11-16 15:55:58,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 15:55:58,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 15:55:58,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 15:55:58,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 15:55:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 15:55:58,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-16 15:55:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-16 15:55:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 15:55:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 15:55:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 15:55:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 15:55:58,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 15:55:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 15:55:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 15:55:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 15:55:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 15:55:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 15:55:58,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 15:55:58,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 15:55:58,490 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 15:55:58,492 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 15:56:00,155 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 15:56:00,699 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 15:56:00,700 INFO L300 CfgBuilder]: Removed 69 assume(true) statements. [2022-11-16 15:56:00,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:56:00 BoogieIcfgContainer [2022-11-16 15:56:00,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 15:56:00,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 15:56:00,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 15:56:00,708 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 15:56:00,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:55:56" (1/3) ... [2022-11-16 15:56:00,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dac395c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:56:00, skipping insertion in model container [2022-11-16 15:56:00,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:55:57" (2/3) ... [2022-11-16 15:56:00,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dac395c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:56:00, skipping insertion in model container [2022-11-16 15:56:00,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:56:00" (3/3) ... [2022-11-16 15:56:00,712 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test4-2.i [2022-11-16 15:56:00,746 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 15:56:00,746 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 15:56:00,823 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 15:56:00,830 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;@6d693f84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 15:56:00,831 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 15:56:00,835 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-16 15:56:00,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 15:56:00,844 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:56:00,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 15:56:00,845 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 15:56:00,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:56:00,850 INFO L85 PathProgramCache]: Analyzing trace with hash 190255821, now seen corresponding path program 1 times [2022-11-16 15:56:00,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:56:00,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604929632] [2022-11-16 15:56:00,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:56:00,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:56:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:56:01,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:56:01,088 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:56:01,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604929632] [2022-11-16 15:56:01,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604929632] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:56:01,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:56:01,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 15:56:01,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511410623] [2022-11-16 15:56:01,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:56:01,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 15:56:01,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:56:01,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 15:56:01,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 15:56:01,142 INFO L87 Difference]: Start difference. First operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:56:02,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:56:02,481 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2022-11-16 15:56:02,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 15:56:02,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-16 15:56:02,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:56:02,499 INFO L225 Difference]: With dead ends: 375 [2022-11-16 15:56:02,499 INFO L226 Difference]: Without dead ends: 220 [2022-11-16 15:56:02,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 15:56:02,506 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 97 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-16 15:56:02,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 332 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-16 15:56:02,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-16 15:56:02,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-11-16 15:56:02,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-16 15:56:02,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-11-16 15:56:02,557 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-11-16 15:56:02,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:56:02,558 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-11-16 15:56:02,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:56:02,558 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-11-16 15:56:02,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-16 15:56:02,561 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:56:02,562 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 15:56:02,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 15:56:02,562 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 15:56:02,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:56:02,563 INFO L85 PathProgramCache]: Analyzing trace with hash -910103328, now seen corresponding path program 1 times [2022-11-16 15:56:02,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:56:02,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723867277] [2022-11-16 15:56:02,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:56:02,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:56:02,877 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 15:56:02,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1338997472] [2022-11-16 15:56:02,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:56:02,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:56:02,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 15:56:02,887 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 15:56:02,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 15:56:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:56:04,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 15:56:04,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 15:56:04,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:56:04,468 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 15:56:04,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 15:56:04,615 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:56:04,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723867277] [2022-11-16 15:56:04,616 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 15:56:04,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338997472] [2022-11-16 15:56:04,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338997472] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 15:56:04,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1932637871] [2022-11-16 15:56:04,636 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-11-16 15:56:04,637 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 15:56:04,640 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 15:56:04,646 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 15:56:04,646 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 15:56:04,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:04,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-16 15:56:04,833 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 15:56:04,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-16 15:56:04,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:04,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-16 15:56:04,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-16 15:56:04,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:04,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 15:56:04,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-16 15:56:05,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 15:56:05,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 15:56:05,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-16 15:56:05,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-16 15:56:05,547 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-16 15:56:05,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-16 15:56:05,589 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 15:56:05,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-16 15:56:05,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-16 15:56:05,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 15:56:05,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-16 15:56:05,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:05,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-16 15:56:06,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 15:56:06,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 15:56:06,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-16 15:56:06,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:06,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-16 15:56:06,260 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 15:56:14,956 WARN L233 SmtUtils]: Spent 5.89s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 15:56:22,161 WARN L233 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 15:56:22,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1932637871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:56:22,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 15:56:22,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-16 15:56:22,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059886921] [2022-11-16 15:56:22,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:56:22,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 15:56:22,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:56:22,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 15:56:22,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-16 15:56:22,170 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:56:23,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:56:23,990 INFO L93 Difference]: Finished difference Result 262 states and 336 transitions. [2022-11-16 15:56:23,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 15:56:23,990 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-11-16 15:56:23,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:56:23,992 INFO L225 Difference]: With dead ends: 262 [2022-11-16 15:56:23,992 INFO L226 Difference]: Without dead ends: 137 [2022-11-16 15:56:23,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 15.9s TimeCoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-16 15:56:23,994 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 14 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-16 15:56:23,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 267 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 71 Invalid, 0 Unknown, 12 Unchecked, 1.8s Time] [2022-11-16 15:56:23,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-11-16 15:56:24,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2022-11-16 15:56:24,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-16 15:56:24,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-11-16 15:56:24,020 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-11-16 15:56:24,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:56:24,020 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-11-16 15:56:24,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 15:56:24,021 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-11-16 15:56:24,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-16 15:56:24,023 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:56:24,023 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 15:56:24,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 15:56:24,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-16 15:56:24,240 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 15:56:24,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:56:24,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1562765067, now seen corresponding path program 1 times [2022-11-16 15:56:24,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:56:24,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337832021] [2022-11-16 15:56:24,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:56:24,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:56:24,422 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 15:56:24,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [920304623] [2022-11-16 15:56:24,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:56:24,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:56:24,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 15:56:24,431 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 15:56:24,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 15:56:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:56:25,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 15:56:25,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 15:56:25,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 15:56:25,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 15:56:25,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 15:56:25,821 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:56:25,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337832021] [2022-11-16 15:56:25,822 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 15:56:25,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920304623] [2022-11-16 15:56:25,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920304623] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 15:56:25,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [661188452] [2022-11-16 15:56:25,826 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-16 15:56:25,826 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 15:56:25,827 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 15:56:25,827 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 15:56:25,828 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 15:56:25,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:25,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-16 15:56:25,961 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-16 15:56:25,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-16 15:56:25,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:25,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 15:56:25,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:25,990 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-16 15:56:25,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-16 15:56:26,036 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 15:56:26,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-16 15:56:26,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-16 15:56:26,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-16 15:56:26,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-16 15:56:26,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 15:56:26,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 15:56:26,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 15:56:26,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 15:56:26,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-16 15:56:26,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-16 15:56:26,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-16 15:56:26,811 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-16 15:56:26,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-16 15:56:26,888 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-16 15:56:26,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-16 15:56:26,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:26,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 15:56:26,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-16 15:56:27,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 15:56:27,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,290 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-16 15:56:27,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-16 15:56:27,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-16 15:56:27,344 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 15:56:27,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-16 15:56:27,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-16 15:56:27,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-16 15:56:27,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-16 15:56:27,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:27,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-16 15:56:27,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 15:56:27,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 15:56:27,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-16 15:56:28,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-16 15:56:28,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 15:56:28,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 15:56:28,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-16 15:56:28,274 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-16 15:56:28,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-16 15:56:28,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-11-16 15:56:28,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-16 15:56:28,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:56:28,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 15:56:28,744 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-16 15:56:28,849 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 15:56:36,840 WARN L233 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 15:56:44,529 WARN L233 SmtUtils]: Spent 5.59s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 15:56:55,446 WARN L233 SmtUtils]: Spent 6.79s on a formula simplification. DAG size of input: 250 DAG size of output: 240 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 15:57:08,310 WARN L233 SmtUtils]: Spent 6.73s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 15:57:22,957 WARN L233 SmtUtils]: Spent 8.49s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 15:57:23,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [661188452] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:57:23,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-16 15:57:23,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-16 15:57:23,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71453538] [2022-11-16 15:57:23,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:57:23,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-16 15:57:23,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:57:23,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 15:57:23,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=172, Unknown=10, NotChecked=0, Total=272 [2022-11-16 15:57:23,566 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 15:57:25,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-16 15:57:28,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:57:28,184 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-11-16 15:57:28,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 15:57:28,185 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2022-11-16 15:57:28,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:57:28,187 INFO L225 Difference]: With dead ends: 267 [2022-11-16 15:57:28,187 INFO L226 Difference]: Without dead ends: 142 [2022-11-16 15:57:28,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 54.7s TimeCoverageRelationStatistics Valid=90, Invalid=172, Unknown=10, NotChecked=0, Total=272 [2022-11-16 15:57:28,188 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 289 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-16 15:57:28,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 832 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 0 Unknown, 289 Unchecked, 4.6s Time] [2022-11-16 15:57:28,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-16 15:57:28,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-11-16 15:57:28,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-16 15:57:28,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-11-16 15:57:28,219 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-11-16 15:57:28,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:57:28,219 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-11-16 15:57:28,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 15:57:28,220 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-11-16 15:57:28,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-16 15:57:28,221 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:57:28,222 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 15:57:28,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 15:57:28,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:57:28,433 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 15:57:28,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:57:28,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1076213087, now seen corresponding path program 1 times [2022-11-16 15:57:28,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:57:28,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922682446] [2022-11-16 15:57:28,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:57:28,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:57:28,605 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 15:57:28,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1460730361] [2022-11-16 15:57:28,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:57:28,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:57:28,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 15:57:28,612 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 15:57:28,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dcca426-39b0-4027-971d-20ad1c0f7c99/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 15:57:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:57:29,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 15:57:29,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 15:57:29,936 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-16 15:57:29,937 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 15:57:30,057 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-16 15:57:30,057 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:57:30,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922682446] [2022-11-16 15:57:30,057 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 15:57:30,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460730361] [2022-11-16 15:57:30,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460730361] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 15:57:30,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1615613519] [2022-11-16 15:57:30,061 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-16 15:57:30,061 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 15:57:30,061 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 15:57:30,061 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 15:57:30,062 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 15:57:30,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-16 15:57:30,174 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 15:57:30,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-16 15:57:30,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-16 15:57:30,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-16 15:57:30,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 15:57:30,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-16 15:57:30,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 15:57:30,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-16 15:57:30,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-16 15:57:30,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-16 15:57:30,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-16 15:57:30,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-16 15:57:30,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 15:57:30,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 15:57:30,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-16 15:57:30,907 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-16 15:57:30,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-16 15:57:30,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 36 [2022-11-16 15:57:30,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-16 15:57:30,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:30,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-16 15:57:31,214 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 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-16 15:57:31,219 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 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 15:57:31,224 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 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-16 15:57:31,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-16 15:57:31,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-16 15:57:31,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-16 15:57:31,283 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 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-16 15:57:31,288 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 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-16 15:57:31,294 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 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 15:57:31,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-16 15:57:31,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-16 15:57:31,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-16 15:57:31,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:57:31,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-16 15:57:31,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-16 15:57:31,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-16 15:57:34,865 INFO L217 Elim1Store]: Index analysis took 2939 ms [2022-11-16 15:57:37,971 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-16 15:57:37,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752670 treesize of output 10752673 [2022-11-16 15:57:40,429 INFO L217 Elim1Store]: Index analysis took 2299 ms [2022-11-16 15:57:43,467 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-16 15:57:43,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752675 treesize of output 10752677 [2022-11-16 15:57:59,252 WARN L233 SmtUtils]: Spent 15.73s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 15:57:59,253 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-16 15:57:59,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1481 [2022-11-16 15:58:23,312 WARN L233 SmtUtils]: Spent 23.91s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 15:58:23,313 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-16 15:58:23,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1824 [2022-11-16 15:58:24,168 INFO L217 Elim1Store]: Index analysis took 623 ms [2022-11-16 15:58:41,762 WARN L233 SmtUtils]: Spent 17.10s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 15:58:41,763 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-16 15:58:41,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-16 15:58:44,212 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-16 15:58:44,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-16 15:58:44,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-16 15:58:44,628 INFO L217 Elim1Store]: Index analysis took 223 ms [2022-11-16 15:58:45,596 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 15:58:45,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-16 15:58:52,364 INFO L217 Elim1Store]: Index analysis took 736 ms