./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array11_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116418f-8785-437a-871f-1bc1af46e886/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116418f-8785-437a-871f-1bc1af46e886/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116418f-8785-437a-871f-1bc1af46e886/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116418f-8785-437a-871f-1bc1af46e886/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array11_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116418f-8785-437a-871f-1bc1af46e886/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116418f-8785-437a-871f-1bc1af46e886/bin/ukojak-rkRKPMF4O4 --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 c3ac08a3f6fb5579b9b2ae158efc8988dd3312e617d74223198803ffe0b335cb --- 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-2329fc7 [2022-12-15 03:57:07,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:57:07,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:57:07,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:57:07,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:57:07,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:57:07,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:57:07,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:57:07,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:57:07,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:57:07,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:57:07,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:57:07,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:57:07,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:57:07,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:57:07,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:57:07,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:57:07,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:57:07,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:57:07,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:57:07,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:57:07,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:57:07,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:57:07,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:57:07,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:57:07,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:57:07,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:57:07,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:57:07,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:57:07,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:57:07,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:57:07,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:57:07,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:57:07,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:57:07,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:57:07,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:57:07,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:57:07,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:57:07,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:57:07,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:57:07,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:57:07,869 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116418f-8785-437a-871f-1bc1af46e886/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 03:57:07,883 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:57:07,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:57:07,884 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:57:07,884 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:57:07,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:57:07,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:57:07,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:57:07,885 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 03:57:07,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:57:07,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 03:57:07,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:57:07,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:57:07,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:57:07,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:57:07,886 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 03:57:07,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:57:07,886 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:57:07,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:57:07,887 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:57:07,887 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:57:07,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:57:07,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:57:07,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:57:07,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:57:07,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:57:07,888 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:57:07,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:57:07,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:57:07,888 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_a116418f-8785-437a-871f-1bc1af46e886/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116418f-8785-437a-871f-1bc1af46e886/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3ac08a3f6fb5579b9b2ae158efc8988dd3312e617d74223198803ffe0b335cb [2022-12-15 03:57:08,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:57:08,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:57:08,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:57:08,080 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:57:08,080 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:57:08,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116418f-8785-437a-871f-1bc1af46e886/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/array-patterns/array11_pattern.c [2022-12-15 03:57:10,734 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:57:10,868 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:57:10,868 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116418f-8785-437a-871f-1bc1af46e886/sv-benchmarks/c/array-patterns/array11_pattern.c [2022-12-15 03:57:10,872 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116418f-8785-437a-871f-1bc1af46e886/bin/ukojak-rkRKPMF4O4/data/492512969/63d6770a0c504e8fa374a39487bb1efd/FLAG3ed8b7ff8 [2022-12-15 03:57:10,883 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116418f-8785-437a-871f-1bc1af46e886/bin/ukojak-rkRKPMF4O4/data/492512969/63d6770a0c504e8fa374a39487bb1efd [2022-12-15 03:57:10,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:57:10,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:57:10,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:57:10,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:57:10,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:57:10,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:57:10" (1/1) ... [2022-12-15 03:57:10,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c1c119c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:10, skipping insertion in model container [2022-12-15 03:57:10,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:57:10" (1/1) ... [2022-12-15 03:57:10,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:57:10,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:57:11,025 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_a116418f-8785-437a-871f-1bc1af46e886/sv-benchmarks/c/array-patterns/array11_pattern.c[1357,1370] [2022-12-15 03:57:11,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:57:11,049 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:57:11,058 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_a116418f-8785-437a-871f-1bc1af46e886/sv-benchmarks/c/array-patterns/array11_pattern.c[1357,1370] [2022-12-15 03:57:11,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:57:11,079 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:57:11,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:11 WrapperNode [2022-12-15 03:57:11,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:57:11,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:57:11,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:57:11,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:57:11,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:11" (1/1) ... [2022-12-15 03:57:11,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:11" (1/1) ... [2022-12-15 03:57:11,110 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2022-12-15 03:57:11,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:57:11,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:57:11,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:57:11,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:57:11,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:11" (1/1) ... [2022-12-15 03:57:11,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:11" (1/1) ... [2022-12-15 03:57:11,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:11" (1/1) ... [2022-12-15 03:57:11,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:11" (1/1) ... [2022-12-15 03:57:11,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:11" (1/1) ... [2022-12-15 03:57:11,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:11" (1/1) ... [2022-12-15 03:57:11,131 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:11" (1/1) ... [2022-12-15 03:57:11,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:11" (1/1) ... [2022-12-15 03:57:11,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:57:11,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:57:11,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:57:11,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:57:11,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:57:11" (1/1) ... [2022-12-15 03:57:11,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:57:11,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116418f-8785-437a-871f-1bc1af46e886/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:57:11,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116418f-8785-437a-871f-1bc1af46e886/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:57:11,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a116418f-8785-437a-871f-1bc1af46e886/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:57:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:57:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 03:57:11,196 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 03:57:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:57:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 03:57:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 03:57:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:57:11,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:57:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 03:57:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 03:57:11,258 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:57:11,260 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:57:11,361 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:57:11,381 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:57:11,381 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 03:57:11,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:57:11 BoogieIcfgContainer [2022-12-15 03:57:11,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:57:11,383 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:57:11,383 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:57:11,391 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:57:11,391 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:57:11" (1/1) ... [2022-12-15 03:57:11,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:57:11,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:57:11,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2022-12-15 03:57:11,436 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2022-12-15 03:57:11,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 03:57:11,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:57:11,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:57:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:57:11,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:57:11,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:57:11,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2022-12-15 03:57:11,582 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-12-15 03:57:11,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 03:57:11,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:57:11,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:57:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:57:11,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-15 03:57:11,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:57:11,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:57:11,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:57:11,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 19 states and 26 transitions. [2022-12-15 03:57:11,762 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2022-12-15 03:57:11,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:57:11,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:57:11,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:57:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:57:11,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 03:57:11,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:57:11,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:57:12,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:57:12,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 40 transitions. [2022-12-15 03:57:12,085 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2022-12-15 03:57:12,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 03:57:12,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:57:12,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:57:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:57:12,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 58 conjunts are in the unsatisfiable core [2022-12-15 03:57:12,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:57:12,229 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 10 treesize of output 8 [2022-12-15 03:57:12,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:12,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-12-15 03:57:12,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-12-15 03:57:12,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-15 03:57:12,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-15 03:57:12,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:12,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 138 [2022-12-15 03:57:12,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:12,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-15 03:57:12,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 101 [2022-12-15 03:57:12,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-15 03:57:12,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:12,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-15 03:57:12,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 314 [2022-12-15 03:57:12,997 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-15 03:57:12,999 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2022-12-15 03:57:13,066 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-15 03:57:13,067 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2022-12-15 03:57:13,098 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-15 03:57:13,099 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2022-12-15 03:57:13,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 309 treesize of output 175 [2022-12-15 03:57:13,193 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-15 03:57:13,204 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-15 03:57:13,205 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2022-12-15 03:57:13,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 60 [2022-12-15 03:57:13,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-15 03:57:13,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-15 03:57:13,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2022-12-15 03:57:13,953 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-15 03:57:13,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 101 treesize of output 85 [2022-12-15 03:57:14,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:57:17,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:57:17,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 48 transitions. [2022-12-15 03:57:17,036 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2022-12-15 03:57:17,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 03:57:17,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:57:17,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:57:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:57:17,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-15 03:57:17,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:57:17,207 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:57:17,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:57:17,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 31 states and 51 transitions. [2022-12-15 03:57:17,789 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2022-12-15 03:57:17,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 03:57:17,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:57:17,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:57:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:57:17,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-15 03:57:17,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:57:17,988 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:57:20,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:57:20,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 61 transitions. [2022-12-15 03:57:20,543 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2022-12-15 03:57:20,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:57:20,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:57:20,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:57:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:57:20,647 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 72 conjunts are in the unsatisfiable core [2022-12-15 03:57:20,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:57:20,823 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 10 treesize of output 8 [2022-12-15 03:57:20,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:20,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-12-15 03:57:20,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-12-15 03:57:20,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-15 03:57:20,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-15 03:57:21,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:21,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:21,043 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 0 case distinctions, treesize of input 48 treesize of output 39 [2022-12-15 03:57:21,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:21,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 113 [2022-12-15 03:57:21,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:21,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:21,821 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-12-15 03:57:21,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 105 [2022-12-15 03:57:21,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:21,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:21,864 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-12-15 03:57:21,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 105 [2022-12-15 03:57:21,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:21,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:21,981 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-12-15 03:57:21,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 38 [2022-12-15 03:57:22,079 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-15 03:57:22,080 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2022-12-15 03:57:23,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 185 [2022-12-15 03:57:23,544 INFO L321 Elim1Store]: treesize reduction 32, result has 52.2 percent of original size [2022-12-15 03:57:23,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 178 treesize of output 189 [2022-12-15 03:57:23,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:23,557 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-15 03:57:23,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 181 treesize of output 169 [2022-12-15 03:57:23,936 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:57:28,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-15 03:57:31,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:57:31,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 47 states and 84 transitions. [2022-12-15 03:57:31,107 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2022-12-15 03:57:31,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 03:57:31,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:57:31,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:57:31,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:57:31,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-15 03:57:31,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:57:31,450 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:57:33,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:57:33,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 48 states and 87 transitions. [2022-12-15 03:57:33,072 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 87 transitions. [2022-12-15 03:57:33,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 03:57:33,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:57:33,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:57:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:57:33,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-15 03:57:33,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:57:33,494 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:57:39,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:57:39,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 56 states and 103 transitions. [2022-12-15 03:57:39,284 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 103 transitions. [2022-12-15 03:57:39,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 03:57:39,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:57:39,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:57:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:57:39,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-15 03:57:39,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:57:39,420 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:57:39,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:57:39,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 57 states and 105 transitions. [2022-12-15 03:57:39,621 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2022-12-15 03:57:39,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 03:57:39,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:57:39,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:57:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:57:39,795 WARN L261 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 90 conjunts are in the unsatisfiable core [2022-12-15 03:57:39,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:57:39,816 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 10 treesize of output 8 [2022-12-15 03:57:39,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:39,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2022-12-15 03:57:39,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-12-15 03:57:39,846 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 29 treesize of output 28 [2022-12-15 03:57:39,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:39,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:39,942 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 0 case distinctions, treesize of input 48 treesize of output 39 [2022-12-15 03:57:40,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:40,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:40,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:40,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:40,117 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 0 case distinctions, treesize of input 66 treesize of output 63 [2022-12-15 03:57:41,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:41,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 127 [2022-12-15 03:57:41,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:41,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:41,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:41,498 INFO L321 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2022-12-15 03:57:41,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 115 [2022-12-15 03:57:41,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:41,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:41,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:41,541 INFO L321 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2022-12-15 03:57:41,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 115 [2022-12-15 03:57:41,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:41,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:41,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:41,674 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-12-15 03:57:41,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 79 treesize of output 56 [2022-12-15 03:57:41,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:41,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:41,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:41,875 INFO L321 Elim1Store]: treesize reduction 90, result has 31.8 percent of original size [2022-12-15 03:57:41,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 131 treesize of output 90 [2022-12-15 03:57:43,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-15 03:57:43,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 66 [2022-12-15 03:57:43,899 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:57:52,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:57:52,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 67 states and 126 transitions. [2022-12-15 03:57:52,591 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 126 transitions. [2022-12-15 03:57:52,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 03:57:52,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:57:52,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:57:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:57:52,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 72 conjunts are in the unsatisfiable core [2022-12-15 03:57:52,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:57:52,658 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 10 treesize of output 8 [2022-12-15 03:57:52,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:52,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-12-15 03:57:52,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-12-15 03:57:52,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-15 03:57:52,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-15 03:57:52,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:52,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 138 [2022-12-15 03:57:52,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:52,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-15 03:57:52,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-15 03:57:52,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 314 [2022-12-15 03:57:52,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:52,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-15 03:57:52,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 101 [2022-12-15 03:57:52,918 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-15 03:57:52,919 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2022-12-15 03:57:52,992 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-15 03:57:52,993 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2022-12-15 03:57:53,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 51 [2022-12-15 03:57:53,030 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-15 03:57:53,031 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2022-12-15 03:57:53,037 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-15 03:57:53,037 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2022-12-15 03:57:54,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:57:54,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 137 [2022-12-15 03:57:54,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 87 [2022-12-15 03:57:54,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-15 03:57:54,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-15 03:57:54,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 306 [2022-12-15 03:57:54,294 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-15 03:57:54,294 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2022-12-15 03:57:54,396 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-15 03:57:54,396 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2022-12-15 03:57:54,461 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-15 03:57:54,461 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2022-12-15 03:57:54,492 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-15 03:57:54,493 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 302 [2022-12-15 03:57:54,494 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-15 03:57:54,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 60 [2022-12-15 03:57:54,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-15 03:57:54,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-15 03:57:54,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2022-12-15 03:57:54,939 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-15 03:57:54,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 101 treesize of output 85 [2022-12-15 03:57:55,204 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:57:59,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:57:59,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 62 states and 117 transitions. [2022-12-15 03:57:59,300 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 117 transitions. [2022-12-15 03:57:59,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 03:57:59,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:57:59,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:57:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:57:59,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-15 03:57:59,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:58:00,074 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:58:02,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:58:02,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 63 states and 120 transitions. [2022-12-15 03:58:02,825 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 120 transitions. [2022-12-15 03:58:02,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 03:58:02,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:58:02,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:58:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:58:02,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-15 03:58:02,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:58:03,634 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:58:09,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:58:09,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 72 states and 139 transitions. [2022-12-15 03:58:09,054 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 139 transitions. [2022-12-15 03:58:09,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 03:58:09,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:58:09,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:58:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:58:09,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-15 03:58:09,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:58:09,301 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:58:12,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:58:12,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 74 states and 141 transitions. [2022-12-15 03:58:12,533 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 141 transitions. [2022-12-15 03:58:12,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 03:58:12,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:58:12,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:58:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:58:12,787 WARN L261 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 105 conjunts are in the unsatisfiable core [2022-12-15 03:58:12,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:58:12,807 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 10 treesize of output 8 [2022-12-15 03:58:12,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:12,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-12-15 03:58:12,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-12-15 03:58:12,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-15 03:58:12,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-15 03:58:12,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:12,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:12,854 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 0 case distinctions, treesize of input 57 treesize of output 45 [2022-12-15 03:58:12,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:12,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:12,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:12,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:12,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:12,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:12,989 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 0 case distinctions, treesize of input 75 treesize of output 69 [2022-12-15 03:58:13,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:13,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:13,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:13,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:13,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:13,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:13,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:13,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:13,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:13,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:13,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 97 [2022-12-15 03:58:15,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:15,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 151 [2022-12-15 03:58:15,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:15,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:15,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:15,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:15,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:15,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:15,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:15,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:15,382 INFO L321 Elim1Store]: treesize reduction 142, result has 0.7 percent of original size [2022-12-15 03:58:15,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 75 treesize of output 130 [2022-12-15 03:58:15,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:15,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:15,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:15,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:15,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:15,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:15,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:15,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:15,488 INFO L321 Elim1Store]: treesize reduction 142, result has 0.7 percent of original size [2022-12-15 03:58:15,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 75 treesize of output 130 [2022-12-15 03:58:15,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:15,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:15,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:15,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:15,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:15,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:15,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:15,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:15,834 INFO L321 Elim1Store]: treesize reduction 113, result has 35.4 percent of original size [2022-12-15 03:58:15,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 91 treesize of output 85 [2022-12-15 03:58:16,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:16,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:16,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:16,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:16,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:16,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:16,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:16,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 03:58:16,165 INFO L321 Elim1Store]: treesize reduction 113, result has 35.4 percent of original size [2022-12-15 03:58:16,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 91 treesize of output 85 [2022-12-15 03:58:33,722 WARN L233 SmtUtils]: Spent 8.07s on a formula simplification. DAG size of input: 468 DAG size of output: 331 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-15 03:58:33,724 INFO L321 Elim1Store]: treesize reduction 642, result has 64.7 percent of original size [2022-12-15 03:58:33,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 25 select indices, 25 select index equivalence classes, 7 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 132 case distinctions, treesize of input 563 treesize of output 1524 [2022-12-15 04:02:04,025 WARN L233 SmtUtils]: Spent 5.43s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)