./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/hard-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47762694-6a0c-4640-b20b-64e8daf22b38/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47762694-6a0c-4640-b20b-64e8daf22b38/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47762694-6a0c-4640-b20b-64e8daf22b38/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47762694-6a0c-4640-b20b-64e8daf22b38/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/hard-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47762694-6a0c-4640-b20b-64e8daf22b38/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47762694-6a0c-4640-b20b-64e8daf22b38/bin/ukojak-92XMlrwhuB --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 8c31bebbbf1ab8c6e57b91fec88eba145fb9c1b52fce25f48cae26620a3d8ba6 --- 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-dbf71c6-m [2022-10-17 17:01:15,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:01:15,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:01:15,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:01:15,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:01:15,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:01:15,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:01:15,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:01:15,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:01:15,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:01:15,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:01:15,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:01:15,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:01:15,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:01:15,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:01:15,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:01:15,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:01:15,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:01:15,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:01:15,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:01:15,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:01:15,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:01:15,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:01:15,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:01:15,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:01:15,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:01:15,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:01:15,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:01:15,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:01:15,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:01:15,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:01:15,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:01:15,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:01:15,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:01:15,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:01:15,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:01:15,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:01:15,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:01:15,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:01:15,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:01:15,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:01:15,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47762694-6a0c-4640-b20b-64e8daf22b38/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:01:15,471 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:01:15,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:01:15,473 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:01:15,473 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:01:15,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:01:15,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:01:15,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:01:15,475 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:01:15,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:01:15,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:01:15,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:01:15,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:01:15,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:01:15,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:01:15,478 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:01:15,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:01:15,478 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:01:15,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:01:15,479 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:01:15,479 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:01:15,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:01:15,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:15,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:01:15,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:01:15,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:01:15,480 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:01:15,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:01:15,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:01:15,483 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_47762694-6a0c-4640-b20b-64e8daf22b38/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47762694-6a0c-4640-b20b-64e8daf22b38/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c31bebbbf1ab8c6e57b91fec88eba145fb9c1b52fce25f48cae26620a3d8ba6 [2022-10-17 17:01:15,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:01:15,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:01:15,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:01:15,806 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:01:15,807 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:01:15,808 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47762694-6a0c-4640-b20b-64e8daf22b38/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench/hard-ll.c [2022-10-17 17:01:15,870 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47762694-6a0c-4640-b20b-64e8daf22b38/bin/ukojak-92XMlrwhuB/data/31e636730/ae295337b5d74e88b83d87aa0c45510f/FLAGba229d602 [2022-10-17 17:01:16,308 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:01:16,309 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47762694-6a0c-4640-b20b-64e8daf22b38/sv-benchmarks/c/nla-digbench/hard-ll.c [2022-10-17 17:01:16,316 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47762694-6a0c-4640-b20b-64e8daf22b38/bin/ukojak-92XMlrwhuB/data/31e636730/ae295337b5d74e88b83d87aa0c45510f/FLAGba229d602 [2022-10-17 17:01:16,702 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47762694-6a0c-4640-b20b-64e8daf22b38/bin/ukojak-92XMlrwhuB/data/31e636730/ae295337b5d74e88b83d87aa0c45510f [2022-10-17 17:01:16,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:01:16,706 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:01:16,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:16,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:01:16,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:01:16,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:16" (1/1) ... [2022-10-17 17:01:16,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd17c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:16, skipping insertion in model container [2022-10-17 17:01:16,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:16" (1/1) ... [2022-10-17 17:01:16,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:01:16,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:01:16,949 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_47762694-6a0c-4640-b20b-64e8daf22b38/sv-benchmarks/c/nla-digbench/hard-ll.c[538,551] [2022-10-17 17:01:16,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:16,983 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:01:16,997 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_47762694-6a0c-4640-b20b-64e8daf22b38/sv-benchmarks/c/nla-digbench/hard-ll.c[538,551] [2022-10-17 17:01:17,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:17,032 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:01:17,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:17 WrapperNode [2022-10-17 17:01:17,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:17,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:17,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:01:17,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:01:17,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:17" (1/1) ... [2022-10-17 17:01:17,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:17" (1/1) ... [2022-10-17 17:01:17,078 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2022-10-17 17:01:17,078 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:17,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:01:17,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:01:17,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:01:17,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:17" (1/1) ... [2022-10-17 17:01:17,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:17" (1/1) ... [2022-10-17 17:01:17,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:17" (1/1) ... [2022-10-17 17:01:17,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:17" (1/1) ... [2022-10-17 17:01:17,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:17" (1/1) ... [2022-10-17 17:01:17,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:17" (1/1) ... [2022-10-17 17:01:17,113 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:17" (1/1) ... [2022-10-17 17:01:17,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:17" (1/1) ... [2022-10-17 17:01:17,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:01:17,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:01:17,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:01:17,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:01:17,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:17" (1/1) ... [2022-10-17 17:01:17,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:17,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47762694-6a0c-4640-b20b-64e8daf22b38/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:01:17,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47762694-6a0c-4640-b20b-64e8daf22b38/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:01:17,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47762694-6a0c-4640-b20b-64e8daf22b38/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:01:17,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:01:17,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:01:17,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:01:17,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:01:17,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:01:17,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:01:17,268 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:01:17,270 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:01:17,429 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:01:17,481 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:01:17,487 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:01:17,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:17 BoogieIcfgContainer [2022-10-17 17:01:17,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:01:17,492 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:01:17,492 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:01:17,503 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:01:17,503 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:17" (1/1) ... [2022-10-17 17:01:17,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:01:17,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:17,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2022-10-17 17:01:17,646 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2022-10-17 17:01:17,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:01:17,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:17,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:17,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:18,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:18,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 38 transitions. [2022-10-17 17:01:18,044 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2022-10-17 17:01:18,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:01:18,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:18,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:18,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:18,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:18,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 42 transitions. [2022-10-17 17:01:18,476 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2022-10-17 17:01:18,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:01:18,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:18,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:18,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 17:01:18,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:18,735 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:01:19,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:19,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 49 transitions. [2022-10-17 17:01:19,161 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2022-10-17 17:01:19,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:01:19,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:19,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:19,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:01:19,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:19,355 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:01:19,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:19,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 54 transitions. [2022-10-17 17:01:19,639 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2022-10-17 17:01:19,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 17:01:19,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:19,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:19,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:01:19,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:19,830 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 17:01:20,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:20,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 62 transitions. [2022-10-17 17:01:20,240 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2022-10-17 17:01:20,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 17:01:20,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:20,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:20,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 17:01:20,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:20,575 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 15 proven. 11 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 17:01:21,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:21,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 43 states and 72 transitions. [2022-10-17 17:01:21,671 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2022-10-17 17:01:21,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 17:01:21,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:21,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:21,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:01:21,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:21,857 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 17:01:22,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:22,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 46 states and 80 transitions. [2022-10-17 17:01:22,050 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2022-10-17 17:01:22,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 17:01:22,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:22,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:22,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:01:22,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:22,157 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 17:01:22,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:22,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 50 states and 87 transitions. [2022-10-17 17:01:22,727 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 87 transitions. [2022-10-17 17:01:22,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:01:22,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:22,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:22,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:01:22,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:22,860 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 17:01:23,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:23,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 51 states and 88 transitions. [2022-10-17 17:01:23,433 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2022-10-17 17:01:23,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:01:23,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:23,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:23,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:01:23,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:23,581 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-10-17 17:01:23,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:23,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 51 states and 87 transitions. [2022-10-17 17:01:23,936 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2022-10-17 17:01:23,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 17:01:23,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:23,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:23,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 17:01:23,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:24,208 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 17:01:25,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:25,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 56 states and 97 transitions. [2022-10-17 17:01:25,839 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 97 transitions. [2022-10-17 17:01:25,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 17:01:25,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:25,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:25,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-17 17:01:25,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:26,833 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 17:01:29,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:29,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 62 states and 112 transitions. [2022-10-17 17:01:29,350 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 112 transitions. [2022-10-17 17:01:29,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 17:01:29,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:29,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:29,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 17:01:29,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:29,995 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-10-17 17:01:30,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:30,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 64 states and 117 transitions. [2022-10-17 17:01:30,688 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 117 transitions. [2022-10-17 17:01:30,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 17:01:30,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:30,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:30,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 17:01:30,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:31,478 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-10-17 17:01:33,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:33,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 64 states and 116 transitions. [2022-10-17 17:01:33,014 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 116 transitions. [2022-10-17 17:01:33,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 17:01:33,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:33,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:33,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 17:01:33,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:34,060 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-17 17:01:36,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:36,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 67 states and 124 transitions. [2022-10-17 17:01:36,436 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 124 transitions. [2022-10-17 17:01:36,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 17:01:36,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:36,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:36,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:01:36,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:36,643 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-17 17:01:38,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:38,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 69 states and 127 transitions. [2022-10-17 17:01:38,283 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 127 transitions. [2022-10-17 17:01:38,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 17:01:38,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:38,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:38,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 17:01:38,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:38,723 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 17:01:41,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:41,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 74 states and 137 transitions. [2022-10-17 17:01:41,585 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 137 transitions. [2022-10-17 17:01:41,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 17:01:41,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:41,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:41,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:01:41,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:42,413 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 17:01:43,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:43,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 74 states and 136 transitions. [2022-10-17 17:01:43,976 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 136 transitions. [2022-10-17 17:01:43,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 17:01:43,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:43,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:44,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-17 17:01:44,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:45,536 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 22 proven. 17 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 17:01:49,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:49,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 80 states and 153 transitions. [2022-10-17 17:01:49,060 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 153 transitions. [2022-10-17 17:01:49,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 17:01:49,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:49,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:49,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 17:01:49,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:50,108 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.