./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d66805-68c3-4cd7-80cd-c53825d38429/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d66805-68c3-4cd7-80cd-c53825d38429/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d66805-68c3-4cd7-80cd-c53825d38429/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d66805-68c3-4cd7-80cd-c53825d38429/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d66805-68c3-4cd7-80cd-c53825d38429/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d66805-68c3-4cd7-80cd-c53825d38429/bin/ukojak-LBtLqBUTdQ --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 2bd6e67b7fa2ee5ce263daa222a7fee92baa3ec009b3953f796d40da324e5524 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:43:41,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:43:41,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:43:41,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:43:41,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:43:41,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:43:41,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:43:41,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:43:41,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:43:41,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:43:41,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:43:41,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:43:41,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:43:41,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:43:41,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:43:41,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:43:41,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:43:41,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:43:42,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:43:42,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:43:42,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:43:42,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:43:42,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:43:42,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:43:42,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:43:42,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:43:42,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:43:42,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:43:42,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:43:42,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:43:42,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:43:42,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:43:42,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:43:42,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:43:42,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:43:42,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:43:42,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:43:42,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:43:42,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:43:42,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:43:42,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:43:42,039 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d66805-68c3-4cd7-80cd-c53825d38429/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:43:42,066 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:43:42,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:43:42,068 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:43:42,068 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:43:42,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:43:42,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:43:42,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:43:42,069 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:43:42,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:43:42,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:43:42,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:43:42,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:43:42,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:43:42,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:43:42,071 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:43:42,071 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:43:42,071 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:43:42,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:43:42,072 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:43:42,072 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:43:42,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:43:42,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:43:42,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:43:42,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:43:42,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:43:42,073 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:43:42,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:43:42,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:43:42,074 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_50d66805-68c3-4cd7-80cd-c53825d38429/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d66805-68c3-4cd7-80cd-c53825d38429/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bd6e67b7fa2ee5ce263daa222a7fee92baa3ec009b3953f796d40da324e5524 [2021-11-23 01:43:42,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:43:42,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:43:42,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:43:42,379 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:43:42,384 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:43:42,385 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d66805-68c3-4cd7-80cd-c53825d38429/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound10.c [2021-11-23 01:43:42,472 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d66805-68c3-4cd7-80cd-c53825d38429/bin/ukojak-LBtLqBUTdQ/data/28c71e813/d7eee830f95543ea8ede570d119fe426/FLAGdcf3d928c [2021-11-23 01:43:42,888 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:43:42,889 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d66805-68c3-4cd7-80cd-c53825d38429/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound10.c [2021-11-23 01:43:42,897 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d66805-68c3-4cd7-80cd-c53825d38429/bin/ukojak-LBtLqBUTdQ/data/28c71e813/d7eee830f95543ea8ede570d119fe426/FLAGdcf3d928c [2021-11-23 01:43:43,280 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d66805-68c3-4cd7-80cd-c53825d38429/bin/ukojak-LBtLqBUTdQ/data/28c71e813/d7eee830f95543ea8ede570d119fe426 [2021-11-23 01:43:43,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:43:43,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:43:43,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:43:43,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:43:43,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:43:43,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:43:43" (1/1) ... [2021-11-23 01:43:43,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d4268a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:43, skipping insertion in model container [2021-11-23 01:43:43,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:43:43" (1/1) ... [2021-11-23 01:43:43,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:43:43,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:43:43,486 WARN L230 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_50d66805-68c3-4cd7-80cd-c53825d38429/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound10.c[525,538] [2021-11-23 01:43:43,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:43:43,509 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:43:43,522 WARN L230 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_50d66805-68c3-4cd7-80cd-c53825d38429/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound10.c[525,538] [2021-11-23 01:43:43,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:43:43,541 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:43:43,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:43 WrapperNode [2021-11-23 01:43:43,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:43:43,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:43:43,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:43:43,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:43:43,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:43" (1/1) ... [2021-11-23 01:43:43,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:43" (1/1) ... [2021-11-23 01:43:43,577 INFO L137 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2021-11-23 01:43:43,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:43:43,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:43:43,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:43:43,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:43:43,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:43" (1/1) ... [2021-11-23 01:43:43,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:43" (1/1) ... [2021-11-23 01:43:43,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:43" (1/1) ... [2021-11-23 01:43:43,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:43" (1/1) ... [2021-11-23 01:43:43,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:43" (1/1) ... [2021-11-23 01:43:43,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:43" (1/1) ... [2021-11-23 01:43:43,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:43" (1/1) ... [2021-11-23 01:43:43,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:43:43,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:43:43,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:43:43,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:43:43,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:43:43" (1/1) ... [2021-11-23 01:43:43,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:43:43,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d66805-68c3-4cd7-80cd-c53825d38429/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:43:43,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d66805-68c3-4cd7-80cd-c53825d38429/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:43:43,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50d66805-68c3-4cd7-80cd-c53825d38429/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:43:43,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:43:43,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:43:43,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:43:43,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:43:43,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:43:43,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:43:43,783 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:43:43,785 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:43:43,946 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:43:43,977 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:43:43,978 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:43:43,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:43:43 BoogieIcfgContainer [2021-11-23 01:43:43,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:43:43,981 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:43:43,981 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:43:43,995 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:43:43,995 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:43:43" (1/1) ... [2021-11-23 01:43:44,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:43:44,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:44,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-11-23 01:43:44,120 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-11-23 01:43:44,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:43:44,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:44,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:44,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 01:43:44,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:44,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:44,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:44,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-23 01:43:44,322 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-23 01:43:44,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:43:44,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:44,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:44,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:43:44,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:44,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:44,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:44,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2021-11-23 01:43:44,455 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2021-11-23 01:43:44,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:43:44,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:44,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:44,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:43:44,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:44,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:44,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:44,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-11-23 01:43:44,885 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-11-23 01:43:44,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:43:44,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:44,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:44,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:43:44,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:45,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:45,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:45,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2021-11-23 01:43:45,366 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2021-11-23 01:43:45,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:43:45,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:45,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:45,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:43:45,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:46,024 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:48,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:48,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 30 states and 51 transitions. [2021-11-23 01:43:48,190 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2021-11-23 01:43:48,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:43:48,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:48,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:48,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:43:48,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:48,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:49,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:49,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 38 states and 76 transitions. [2021-11-23 01:43:49,695 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 76 transitions. [2021-11-23 01:43:49,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:43:49,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:49,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:49,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 01:43:49,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:50,314 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:43:52,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:43:52,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 44 states and 92 transitions. [2021-11-23 01:43:52,220 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 92 transitions. [2021-11-23 01:43:52,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:43:52,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:43:52,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:43:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:43:52,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:43:52,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:43:53,791 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:44:10,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:10,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 48 states and 110 transitions. [2021-11-23 01:44:10,891 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 110 transitions. [2021-11-23 01:44:10,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:44:10,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:10,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:10,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:44:10,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:11,320 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:14,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:14,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 52 states and 130 transitions. [2021-11-23 01:44:14,391 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 130 transitions. [2021-11-23 01:44:14,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:44:14,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:14,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:14,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:44:14,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:16,632 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:44:24,521 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:44:31,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:31,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 56 states and 152 transitions. [2021-11-23 01:44:31,182 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 152 transitions. [2021-11-23 01:44:31,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:44:31,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:31,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:31,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:44:31,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:32,746 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:44:50,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:50,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 58 states and 162 transitions. [2021-11-23 01:44:50,535 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 162 transitions. [2021-11-23 01:44:50,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:44:50,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:50,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:50,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:44:50,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:50,599 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:55,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:55,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 62 states and 177 transitions. [2021-11-23 01:44:55,953 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 177 transitions. [2021-11-23 01:44:55,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:44:55,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:55,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:56,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:44:56,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:56,574 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:44:59,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:59,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 64 states and 186 transitions. [2021-11-23 01:44:59,774 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 186 transitions. [2021-11-23 01:44:59,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:44:59,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:59,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:59,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:44:59,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:59,846 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:01,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:01,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 66 states and 189 transitions. [2021-11-23 01:45:01,068 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 189 transitions. [2021-11-23 01:45:01,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:45:01,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:01,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:01,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:45:01,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:03,427 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:45:25,638 WARN L227 SmtUtils]: Spent 10.10s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:46:09,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:09,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 73 states and 211 transitions. [2021-11-23 01:46:09,629 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 211 transitions. [2021-11-23 01:46:09,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:46:09,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:09,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:09,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:46:09,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:11,215 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:46:32,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:32,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 77 states and 224 transitions. [2021-11-23 01:46:32,460 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 224 transitions. [2021-11-23 01:46:32,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:46:32,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:32,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:32,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:46:32,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:46:34,065 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:47:30,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:30,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 81 states and 244 transitions. [2021-11-23 01:47:30,416 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 244 transitions. [2021-11-23 01:47:30,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:47:30,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:30,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:31,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:47:31,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:47:31,596 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:48:00,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:00,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 86 states and 251 transitions. [2021-11-23 01:48:00,880 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 251 transitions. [2021-11-23 01:48:00,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:48:00,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:00,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:00,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:48:00,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:04,244 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:47,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:47,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 90 states and 289 transitions. [2021-11-23 01:48:47,870 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 289 transitions. [2021-11-23 01:48:47,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:48:47,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:47,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:48,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:48:48,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:49,168 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:49:05,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:05,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 91 states and 295 transitions. [2021-11-23 01:49:05,095 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 295 transitions. [2021-11-23 01:49:05,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:49:05,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:05,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:05,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:49:05,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:05,216 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:49:11,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:11,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 92 states and 296 transitions. [2021-11-23 01:49:11,774 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 296 transitions. [2021-11-23 01:49:11,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:49:11,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:11,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:11,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:49:11,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:12,590 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:49:20,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:20,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 94 states and 304 transitions. [2021-11-23 01:49:20,283 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 304 transitions. [2021-11-23 01:49:20,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:49:20,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:20,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:21,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:49:21,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:21,550 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:49:31,619 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:49:37,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:37,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 96 states and 306 transitions. [2021-11-23 01:49:37,519 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 306 transitions. [2021-11-23 01:49:37,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:49:37,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:37,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:37,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:49:37,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:37,619 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:01,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:01,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 102 states and 336 transitions. [2021-11-23 01:50:01,236 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 336 transitions. [2021-11-23 01:50:01,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:50:01,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:01,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:01,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:50:01,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:01,307 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:03,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:03,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 104 states and 339 transitions. [2021-11-23 01:50:03,795 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 339 transitions. [2021-11-23 01:50:03,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:50:03,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:03,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:03,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:50:03,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:03,881 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:05,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:05,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 106 states and 343 transitions. [2021-11-23 01:50:05,956 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 343 transitions. [2021-11-23 01:50:05,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:50:05,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:05,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:06,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:50:06,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:07,460 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:50:18,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:18,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 108 states and 348 transitions. [2021-11-23 01:50:18,055 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 348 transitions. [2021-11-23 01:50:18,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:50:18,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:18,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:18,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:50:18,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:18,129 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:33,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:33,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 108 states and 347 transitions. [2021-11-23 01:50:33,829 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 347 transitions. [2021-11-23 01:50:33,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:50:33,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:33,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:34,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:50:34,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:34,860 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:51:02,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:02,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 110 states and 348 transitions. [2021-11-23 01:51:02,239 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 348 transitions. [2021-11-23 01:51:02,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:51:02,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:02,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:02,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:02,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:51:02,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:02,318 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:15,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:15,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 110 states and 345 transitions. [2021-11-23 01:51:15,779 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 345 transitions. [2021-11-23 01:51:15,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:51:15,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:15,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:15,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:51:15,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:20,899 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:52:05,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:05,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 118 states and 411 transitions. [2021-11-23 01:52:05,125 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 411 transitions. [2021-11-23 01:52:05,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:52:05,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:05,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:05,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-23 01:52:05,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:07,350 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 14 proven. 39 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:52:56,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:56,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 125 states and 438 transitions. [2021-11-23 01:52:56,975 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 438 transitions. [2021-11-23 01:52:56,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:52:56,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:56,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:57,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:52:57,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:58,504 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful