./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array12_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_0365d236-9a96-4cb5-bef8-18ffa2c2c10a/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0365d236-9a96-4cb5-bef8-18ffa2c2c10a/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0365d236-9a96-4cb5-bef8-18ffa2c2c10a/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0365d236-9a96-4cb5-bef8-18ffa2c2c10a/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array12_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0365d236-9a96-4cb5-bef8-18ffa2c2c10a/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0365d236-9a96-4cb5-bef8-18ffa2c2c10a/bin/ukojak-jW3SillKbg --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4cd544b9fc2c4c641198812054f6f7e3a4b46d14448acc5758393bf17818405b --- 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-b5237d8 [2022-11-21 23:33:20,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:33:20,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:33:20,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:33:20,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:33:20,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:33:20,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:33:20,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:33:20,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:33:20,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:33:20,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:33:20,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:33:20,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:33:20,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:33:20,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:33:20,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:33:20,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:33:20,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:33:20,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:33:20,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:33:20,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:33:20,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:33:20,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:33:20,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:33:20,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:33:20,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:33:20,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:33:20,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:33:20,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:33:20,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:33:20,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:33:20,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:33:20,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:33:20,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:33:20,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:33:20,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:33:20,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:33:20,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:33:20,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:33:20,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:33:20,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:33:20,727 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0365d236-9a96-4cb5-bef8-18ffa2c2c10a/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-21 23:33:20,763 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:33:20,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:33:20,765 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:33:20,765 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:33:20,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:33:20,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:33:20,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:33:20,767 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:33:20,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:33:20,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:33:20,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:33:20,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:33:20,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:33:20,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:33:20,769 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:33:20,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:33:20,769 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:33:20,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:33:20,770 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:33:20,770 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:33:20,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:33:20,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:33:20,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:33:20,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:33:20,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:33:20,771 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:33:20,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:33:20,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:33:20,772 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_0365d236-9a96-4cb5-bef8-18ffa2c2c10a/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0365d236-9a96-4cb5-bef8-18ffa2c2c10a/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cd544b9fc2c4c641198812054f6f7e3a4b46d14448acc5758393bf17818405b [2022-11-21 23:33:21,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:33:21,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:33:21,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:33:21,073 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:33:21,074 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:33:21,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0365d236-9a96-4cb5-bef8-18ffa2c2c10a/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/array-patterns/array12_pattern.c [2022-11-21 23:33:24,091 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:33:24,370 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:33:24,370 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0365d236-9a96-4cb5-bef8-18ffa2c2c10a/sv-benchmarks/c/array-patterns/array12_pattern.c [2022-11-21 23:33:24,376 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0365d236-9a96-4cb5-bef8-18ffa2c2c10a/bin/ukojak-jW3SillKbg/data/5a45e9438/a5103955c5ed463eb2833e7fd2647e25/FLAG9262b2ecd [2022-11-21 23:33:24,389 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0365d236-9a96-4cb5-bef8-18ffa2c2c10a/bin/ukojak-jW3SillKbg/data/5a45e9438/a5103955c5ed463eb2833e7fd2647e25 [2022-11-21 23:33:24,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:33:24,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:33:24,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:33:24,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:33:24,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:33:24,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:33:24" (1/1) ... [2022-11-21 23:33:24,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd582c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:33:24, skipping insertion in model container [2022-11-21 23:33:24,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:33:24" (1/1) ... [2022-11-21 23:33:24,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:33:24,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:33:24,577 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0365d236-9a96-4cb5-bef8-18ffa2c2c10a/sv-benchmarks/c/array-patterns/array12_pattern.c[1349,1362] [2022-11-21 23:33:24,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:33:24,606 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:33:24,616 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0365d236-9a96-4cb5-bef8-18ffa2c2c10a/sv-benchmarks/c/array-patterns/array12_pattern.c[1349,1362] [2022-11-21 23:33:24,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:33:24,650 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:33:24,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:33:24 WrapperNode [2022-11-21 23:33:24,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:33:24,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:33:24,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:33:24,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:33:24,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:33:24" (1/1) ... [2022-11-21 23:33:24,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:33:24" (1/1) ... [2022-11-21 23:33:24,688 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2022-11-21 23:33:24,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:33:24,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:33:24,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:33:24,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:33:24,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:33:24" (1/1) ... [2022-11-21 23:33:24,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:33:24" (1/1) ... [2022-11-21 23:33:24,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:33:24" (1/1) ... [2022-11-21 23:33:24,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:33:24" (1/1) ... [2022-11-21 23:33:24,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:33:24" (1/1) ... [2022-11-21 23:33:24,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:33:24" (1/1) ... [2022-11-21 23:33:24,734 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:33:24" (1/1) ... [2022-11-21 23:33:24,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:33:24" (1/1) ... [2022-11-21 23:33:24,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:33:24,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:33:24,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:33:24,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:33:24,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:33:24" (1/1) ... [2022-11-21 23:33:24,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:33:24,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0365d236-9a96-4cb5-bef8-18ffa2c2c10a/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:33:24,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0365d236-9a96-4cb5-bef8-18ffa2c2c10a/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:33:24,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0365d236-9a96-4cb5-bef8-18ffa2c2c10a/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:33:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:33:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 23:33:24,839 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 23:33:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:33:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:33:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:33:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:33:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:33:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:33:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:33:24,930 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:33:24,932 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:33:25,101 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:33:25,157 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:33:25,157 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-21 23:33:25,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:33:25 BoogieIcfgContainer [2022-11-21 23:33:25,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:33:25,161 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:33:25,161 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:33:25,188 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:33:25,188 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:33:25" (1/1) ... [2022-11-21 23:33:25,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:33:25,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:33:25,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2022-11-21 23:33:25,264 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-11-21 23:33:25,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:33:25,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:33:25,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:33:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:33:25,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-21 23:33:25,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:33:25,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:33:25,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:33:25,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2022-11-21 23:33:25,473 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2022-11-21 23:33:25,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:33:25,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:33:25,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:33:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:33:25,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 23:33:25,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:33:25,657 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:33:25,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:33:25,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2022-11-21 23:33:25,784 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2022-11-21 23:33:25,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:33:25,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:33:25,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:33:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:33:25,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:33:25,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:33:25,890 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:33:26,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:33:26,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2022-11-21 23:33:26,026 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2022-11-21 23:33:26,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:33:26,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:33:26,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:33:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:33:26,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:33:26,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:33:26,121 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:33:26,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:33:26,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2022-11-21 23:33:26,312 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-11-21 23:33:26,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:33:26,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:33:26,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:33:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:33:26,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:33:26,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:33:26,468 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:33:26,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:33:26,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-11-21 23:33:26,494 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-11-21 23:33:26,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 23:33:26,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:33:26,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:33:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:33:26,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 41 conjunts are in the unsatisfiable core [2022-11-21 23:33:26,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:33:27,375 INFO L321 Elim1Store]: treesize reduction 73, result has 1.4 percent of original size [2022-11-21 23:33:27,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2022-11-21 23:33:27,801 INFO L321 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2022-11-21 23:33:27,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 10 [2022-11-21 23:33:27,898 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:33:30,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:33:30,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 42 states and 76 transitions. [2022-11-21 23:33:30,834 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2022-11-21 23:33:30,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 23:33:30,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:33:30,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:33:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:33:30,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:33:30,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:33:31,147 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:33:32,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:33:32,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 46 states and 88 transitions. [2022-11-21 23:33:32,452 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 88 transitions. [2022-11-21 23:33:32,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 23:33:32,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:33:32,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:33:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:33:32,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:33:32,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:33:32,834 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:33:33,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:33:33,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 47 states and 89 transitions. [2022-11-21 23:33:33,478 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 89 transitions. [2022-11-21 23:33:33,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 23:33:33,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:33:33,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:33:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:33:33,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:33:33,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:33:33,688 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 23:33:34,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:33:34,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 92 transitions. [2022-11-21 23:33:34,385 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2022-11-21 23:33:34,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 23:33:34,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:33:34,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:33:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:33:34,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:33:34,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:33:34,748 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:33:35,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:33:35,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 52 states and 97 transitions. [2022-11-21 23:33:35,863 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2022-11-21 23:33:35,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 23:33:35,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:33:35,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:33:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:33:35,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:33:35,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:33:36,063 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:33:36,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:33:36,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 53 states and 98 transitions. [2022-11-21 23:33:36,326 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 98 transitions. [2022-11-21 23:33:36,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 23:33:36,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:33:36,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:33:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:33:36,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:33:36,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:33:36,525 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-21 23:33:38,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:33:38,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 64 states and 114 transitions. [2022-11-21 23:33:38,782 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 114 transitions. [2022-11-21 23:33:38,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 23:33:38,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:33:38,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:33:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:33:38,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:33:38,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:33:39,030 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 23:33:40,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:33:40,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 68 states and 120 transitions. [2022-11-21 23:33:40,014 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 120 transitions. [2022-11-21 23:33:40,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 23:33:40,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:33:40,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:33:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:33:40,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-21 23:33:40,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:33:40,370 INFO L321 Elim1Store]: treesize reduction 73, result has 1.4 percent of original size [2022-11-21 23:33:40,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2022-11-21 23:33:40,488 INFO L321 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2022-11-21 23:33:40,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 10 [2022-11-21 23:33:40,512 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-21 23:33:41,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:33:41,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 69 states and 122 transitions. [2022-11-21 23:33:41,214 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 122 transitions. [2022-11-21 23:33:41,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 23:33:41,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:33:41,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:33:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:33:41,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:33:41,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:33:41,397 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:33:42,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:33:42,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 71 states and 124 transitions. [2022-11-21 23:33:42,029 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 124 transitions. [2022-11-21 23:33:42,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 23:33:42,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:33:42,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:33:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:33:42,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:33:42,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:33:42,374 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-21 23:33:43,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:33:43,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 74 states and 133 transitions. [2022-11-21 23:33:43,594 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 133 transitions. [2022-11-21 23:33:43,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 23:33:43,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:33:43,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:33:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:33:43,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:33:43,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:33:44,132 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 29 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:33:45,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:33:45,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 62 states and 110 transitions. [2022-11-21 23:33:45,602 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 110 transitions. [2022-11-21 23:33:45,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 23:33:45,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:33:45,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:33:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:33:45,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 85 conjunts are in the unsatisfiable core [2022-11-21 23:33:45,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:33:46,204 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 17 treesize of output 13 [2022-11-21 23:33:46,392 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 32 treesize of output 31 [2022-11-21 23:33:46,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:33:46,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:33:46,961 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 23:33:46,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 51 [2022-11-21 23:33:47,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:33:47,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:33:47,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:33:47,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:33:47,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:33:47,179 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 23:33:47,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 49 [2022-11-21 23:33:48,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:33:48,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:33:48,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:33:48,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:33:48,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:33:49,189 INFO L321 Elim1Store]: treesize reduction 315, result has 33.1 percent of original size [2022-11-21 23:33:49,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 72 treesize of output 184 [2022-11-21 23:33:56,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:33:56,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:33:56,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:33:56,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:33:59,583 INFO L321 Elim1Store]: treesize reduction 583, result has 21.6 percent of original size [2022-11-21 23:33:59,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 271 treesize of output 256 [2022-11-21 23:34:13,130 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:34:38,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:34:38,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 84 states and 148 transitions. [2022-11-21 23:34:38,095 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 148 transitions. [2022-11-21 23:34:38,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 23:34:38,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:34:38,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:34:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:34:38,871 WARN L261 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 98 conjunts are in the unsatisfiable core [2022-11-21 23:34:38,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:34:39,299 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 21 treesize of output 17 [2022-11-21 23:34:39,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2022-11-21 23:34:40,339 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-11-21 23:34:40,344 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 38 treesize of output 40 [2022-11-21 23:34:40,690 INFO L321 Elim1Store]: treesize reduction 78, result has 17.9 percent of original size [2022-11-21 23:34:40,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 53 [2022-11-21 23:35:46,854 INFO L321 Elim1Store]: treesize reduction 357, result has 30.4 percent of original size [2022-11-21 23:35:46,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 72 treesize of output 184 [2022-11-21 23:36:31,728 INFO L321 Elim1Store]: treesize reduction 1409, result has 12.3 percent of original size [2022-11-21 23:36:31,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 310 treesize of output 292 [2022-11-21 23:37:23,878 WARN L233 SmtUtils]: Spent 7.04s on a formula simplification. DAG size of input: 122 DAG size of output: 14 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 23:37:24,052 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:42:05,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:05,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 101 states and 177 transitions. [2022-11-21 23:42:05,272 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 177 transitions. [2022-11-21 23:42:05,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 23:42:05,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:05,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:05,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:42:05,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:42:05,458 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-21 23:42:09,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:09,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 105 states and 185 transitions. [2022-11-21 23:42:09,042 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 185 transitions. [2022-11-21 23:42:09,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 23:42:09,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:09,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:09,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:42:09,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:42:09,236 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-21 23:42:09,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:09,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 106 states and 186 transitions. [2022-11-21 23:42:09,902 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 186 transitions. [2022-11-21 23:42:09,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 23:42:09,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:09,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:09,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:42:09,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:42:10,081 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-21 23:42:11,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:11,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 107 states and 186 transitions. [2022-11-21 23:42:11,158 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 186 transitions. [2022-11-21 23:42:11,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 23:42:11,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:11,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:11,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:42:11,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:42:12,280 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-21 23:42:17,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:17,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 112 states and 195 transitions. [2022-11-21 23:42:17,704 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 195 transitions. [2022-11-21 23:42:17,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 23:42:17,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:17,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:17,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:42:17,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:42:17,800 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-21 23:42:19,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:19,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 114 states and 197 transitions. [2022-11-21 23:42:19,392 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 197 transitions. [2022-11-21 23:42:19,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 23:42:19,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:19,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:19,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:42:19,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:42:19,584 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 23:42:21,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:21,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 116 states and 198 transitions. [2022-11-21 23:42:21,067 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 198 transitions. [2022-11-21 23:42:21,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 23:42:21,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:21,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:21,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:42:21,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:42:21,261 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 23:42:23,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:23,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 118 states and 200 transitions. [2022-11-21 23:42:23,410 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 200 transitions. [2022-11-21 23:42:23,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 23:42:23,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:23,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:23,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:42:23,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:42:23,615 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 23:42:26,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:26,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 106 states and 170 transitions. [2022-11-21 23:42:26,758 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 170 transitions. [2022-11-21 23:42:26,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-21 23:42:26,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:26,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:30,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 102 conjunts are in the unsatisfiable core [2022-11-21 23:42:30,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:42:30,298 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 21 treesize of output 17 [2022-11-21 23:42:30,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 38 [2022-11-21 23:42:31,721 INFO L321 Elim1Store]: treesize reduction 50, result has 25.4 percent of original size [2022-11-21 23:42:31,721 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 34 treesize of output 36 [2022-11-21 23:42:32,043 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-11-21 23:42:32,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 49 [2022-11-21 23:43:19,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:43:20,107 INFO L321 Elim1Store]: treesize reduction 371, result has 29.7 percent of original size [2022-11-21 23:43:20,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 77 treesize of output 187 [2022-11-21 23:44:36,658 WARN L233 SmtUtils]: Spent 6.18s on a formula simplification. DAG size of input: 358 DAG size of output: 157 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-21 23:44:36,661 INFO L321 Elim1Store]: treesize reduction 1709, result has 24.6 percent of original size [2022-11-21 23:44:36,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 56 case distinctions, treesize of input 289 treesize of output 663