./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a01c69-a4df-4aba-ae76-0f8c5f43afb7/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a01c69-a4df-4aba-ae76-0f8c5f43afb7/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a01c69-a4df-4aba-ae76-0f8c5f43afb7/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a01c69-a4df-4aba-ae76-0f8c5f43afb7/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a01c69-a4df-4aba-ae76-0f8c5f43afb7/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a01c69-a4df-4aba-ae76-0f8c5f43afb7/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aad83614f5b3454ec30b386336992d9fee88422d967149e7e88efe6256830f00 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 02:24:18,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:24:18,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:24:18,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:24:18,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:24:18,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:24:18,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:24:18,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:24:18,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:24:18,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:24:18,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:24:18,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:24:18,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:24:18,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:24:18,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:24:18,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:24:18,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:24:18,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:24:18,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:24:18,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:24:18,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:24:18,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:24:18,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:24:18,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:24:18,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:24:18,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:24:18,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:24:18,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:24:18,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:24:18,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:24:18,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:24:18,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:24:18,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:24:18,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:24:18,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:24:18,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:24:18,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:24:18,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:24:18,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:24:18,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:24:18,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:24:18,131 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a01c69-a4df-4aba-ae76-0f8c5f43afb7/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 02:24:18,143 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:24:18,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:24:18,144 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:24:18,144 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:24:18,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:24:18,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:24:18,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:24:18,145 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:24:18,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:24:18,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:24:18,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:24:18,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:24:18,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:24:18,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:24:18,145 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:24:18,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:24:18,146 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:24:18,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:24:18,146 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:24:18,146 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:24:18,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:24:18,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:24:18,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:24:18,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:24:18,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:24:18,146 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:24:18,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:24:18,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:24:18,147 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_79a01c69-a4df-4aba-ae76-0f8c5f43afb7/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a01c69-a4df-4aba-ae76-0f8c5f43afb7/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aad83614f5b3454ec30b386336992d9fee88422d967149e7e88efe6256830f00 [2022-12-15 02:24:18,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:24:18,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:24:18,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:24:18,336 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:24:18,336 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:24:18,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a01c69-a4df-4aba-ae76-0f8c5f43afb7/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c [2022-12-15 02:24:20,881 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:24:21,006 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:24:21,006 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a01c69-a4df-4aba-ae76-0f8c5f43afb7/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c [2022-12-15 02:24:21,011 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a01c69-a4df-4aba-ae76-0f8c5f43afb7/bin/ukojak-rkRKPMF4O4/data/d94d9c219/2c12f6adc9724f4cb775b85b6f121f7c/FLAG1182764cd [2022-12-15 02:24:21,021 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a01c69-a4df-4aba-ae76-0f8c5f43afb7/bin/ukojak-rkRKPMF4O4/data/d94d9c219/2c12f6adc9724f4cb775b85b6f121f7c [2022-12-15 02:24:21,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:24:21,024 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:24:21,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:24:21,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:24:21,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:24:21,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:24:21" (1/1) ... [2022-12-15 02:24:21,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24798f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:24:21, skipping insertion in model container [2022-12-15 02:24:21,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:24:21" (1/1) ... [2022-12-15 02:24:21,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:24:21,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:24:21,186 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a01c69-a4df-4aba-ae76-0f8c5f43afb7/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c[573,586] [2022-12-15 02:24:21,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:24:21,209 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:24:21,221 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a01c69-a4df-4aba-ae76-0f8c5f43afb7/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c[573,586] [2022-12-15 02:24:21,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:24:21,239 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:24:21,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:24:21 WrapperNode [2022-12-15 02:24:21,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:24:21,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:24:21,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:24:21,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:24:21,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:24:21" (1/1) ... [2022-12-15 02:24:21,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:24:21" (1/1) ... [2022-12-15 02:24:21,271 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2022-12-15 02:24:21,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:24:21,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:24:21,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:24:21,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:24:21,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:24:21" (1/1) ... [2022-12-15 02:24:21,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:24:21" (1/1) ... [2022-12-15 02:24:21,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:24:21" (1/1) ... [2022-12-15 02:24:21,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:24:21" (1/1) ... [2022-12-15 02:24:21,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:24:21" (1/1) ... [2022-12-15 02:24:21,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:24:21" (1/1) ... [2022-12-15 02:24:21,287 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:24:21" (1/1) ... [2022-12-15 02:24:21,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:24:21" (1/1) ... [2022-12-15 02:24:21,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:24:21,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:24:21,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:24:21,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:24:21,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:24:21" (1/1) ... [2022-12-15 02:24:21,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:24:21,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a01c69-a4df-4aba-ae76-0f8c5f43afb7/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:24:21,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a01c69-a4df-4aba-ae76-0f8c5f43afb7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:24:21,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a01c69-a4df-4aba-ae76-0f8c5f43afb7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:24:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:24:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 02:24:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 02:24:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:24:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:24:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:24:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-15 02:24:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-15 02:24:21,410 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:24:21,412 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:24:21,506 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:24:21,538 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:24:21,538 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 02:24:21,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:24:21 BoogieIcfgContainer [2022-12-15 02:24:21,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:24:21,542 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:24:21,542 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:24:21,552 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:24:21,552 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:24:21" (1/1) ... [2022-12-15 02:24:21,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:24:21,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:21,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2022-12-15 02:24:21,612 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2022-12-15 02:24:21,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 02:24:21,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:21,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:21,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-15 02:24:21,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:24:21,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:24:21,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:21,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2022-12-15 02:24:21,802 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-12-15 02:24:21,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 02:24:21,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:21,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:21,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-15 02:24:21,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:24:21,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:24:21,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:21,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2022-12-15 02:24:21,972 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-12-15 02:24:21,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 02:24:21,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:21,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:22,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-15 02:24:22,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:24:22,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:24:22,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:22,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-12-15 02:24:22,435 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-12-15 02:24:22,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 02:24:22,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:22,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:22,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-15 02:24:22,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:24:22,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:24:22,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:22,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 37 transitions. [2022-12-15 02:24:22,797 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-12-15 02:24:22,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 02:24:22,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:22,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:22,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-15 02:24:22,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:24:22,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:24:22,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:22,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 37 transitions. [2022-12-15 02:24:22,872 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-12-15 02:24:22,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 02:24:22,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:22,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:22,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-15 02:24:22,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:24:23,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:24:23,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:23,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2022-12-15 02:24:23,335 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2022-12-15 02:24:23,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 02:24:23,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:23,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:23,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-15 02:24:23,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:24:23,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:24:24,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:24,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 52 transitions. [2022-12-15 02:24:24,479 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2022-12-15 02:24:24,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 02:24:24,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:24,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:24,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-15 02:24:24,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:24:24,569 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:24:25,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:25,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 76 transitions. [2022-12-15 02:24:25,496 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2022-12-15 02:24:25,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 02:24:25,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:25,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:25,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 02:24:25,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:24:25,840 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:24:26,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:26,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 45 states and 89 transitions. [2022-12-15 02:24:26,890 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 89 transitions. [2022-12-15 02:24:26,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 02:24:26,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:26,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:26,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 02:24:26,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:24:27,078 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:24:27,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:27,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 47 states and 91 transitions. [2022-12-15 02:24:27,570 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 91 transitions. [2022-12-15 02:24:27,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 02:24:27,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:27,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:27,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-15 02:24:27,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:24:27,674 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:24:29,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:29,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 55 states and 120 transitions. [2022-12-15 02:24:29,014 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 120 transitions. [2022-12-15 02:24:29,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 02:24:29,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:29,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:29,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-15 02:24:29,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:24:29,459 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:24:31,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:31,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 59 states and 135 transitions. [2022-12-15 02:24:31,446 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 135 transitions. [2022-12-15 02:24:31,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 02:24:31,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:31,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:31,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-15 02:24:31,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:24:32,069 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:24:34,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:34,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 66 states and 153 transitions. [2022-12-15 02:24:34,921 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 153 transitions. [2022-12-15 02:24:34,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 02:24:34,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:34,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:34,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-15 02:24:34,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:24:34,968 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:24:35,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:35,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 66 states and 152 transitions. [2022-12-15 02:24:35,326 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 152 transitions. [2022-12-15 02:24:35,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 02:24:35,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:35,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:35,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-15 02:24:35,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:24:35,909 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 02:24:37,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:37,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 69 states and 157 transitions. [2022-12-15 02:24:37,346 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 157 transitions. [2022-12-15 02:24:37,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 02:24:37,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:37,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:37,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-15 02:24:37,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:24:37,755 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 02:24:38,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:38,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 71 states and 158 transitions. [2022-12-15 02:24:38,430 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 158 transitions. [2022-12-15 02:24:38,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-15 02:24:38,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:38,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:38,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-15 02:24:38,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:24:38,615 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:24:40,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:40,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 79 states and 195 transitions. [2022-12-15 02:24:40,843 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 195 transitions. [2022-12-15 02:24:40,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-15 02:24:40,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:40,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:40,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-15 02:24:40,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:24:41,652 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-15 02:24:45,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:45,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 84 states and 221 transitions. [2022-12-15 02:24:45,348 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 221 transitions. [2022-12-15 02:24:45,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-15 02:24:45,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:45,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:45,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-15 02:24:45,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:24:45,391 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:24:45,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:45,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 84 states and 220 transitions. [2022-12-15 02:24:45,915 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 220 transitions. [2022-12-15 02:24:45,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-15 02:24:45,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:45,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:45,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-15 02:24:45,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:24:47,256 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 02:24:51,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:51,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 88 states and 239 transitions. [2022-12-15 02:24:51,540 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 239 transitions. [2022-12-15 02:24:51,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-15 02:24:51,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:51,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:51,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-15 02:24:51,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:24:51,940 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 02:24:54,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:54,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 91 states and 244 transitions. [2022-12-15 02:24:54,378 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 244 transitions. [2022-12-15 02:24:54,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-15 02:24:54,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:54,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:54,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-15 02:24:54,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:24:55,384 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 29 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 02:24:58,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:58,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 95 states and 247 transitions. [2022-12-15 02:24:58,448 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 247 transitions. [2022-12-15 02:24:58,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-15 02:24:58,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:58,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:58,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-15 02:24:58,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:24:58,495 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:24:59,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:24:59,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 95 states and 246 transitions. [2022-12-15 02:24:59,086 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 246 transitions. [2022-12-15 02:24:59,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-15 02:24:59,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:24:59,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:24:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:24:59,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-15 02:24:59,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:24:59,741 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-15 02:25:02,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:02,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 97 states and 248 transitions. [2022-12-15 02:25:02,137 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 248 transitions. [2022-12-15 02:25:02,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-15 02:25:02,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:02,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:02,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-15 02:25:02,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:25:03,073 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-12-15 02:25:08,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:08,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 99 states and 273 transitions. [2022-12-15 02:25:08,055 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 273 transitions. [2022-12-15 02:25:08,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-15 02:25:08,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:08,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:08,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 02:25:08,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:25:08,481 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:25:12,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:12,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 107 states and 309 transitions. [2022-12-15 02:25:12,873 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 309 transitions. [2022-12-15 02:25:12,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-15 02:25:12,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:12,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:12,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-15 02:25:12,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:25:14,151 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 17 proven. 37 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 02:25:19,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:19,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 111 states and 334 transitions. [2022-12-15 02:25:19,180 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 334 transitions. [2022-12-15 02:25:19,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-15 02:25:19,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:19,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:19,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 02:25:19,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:25:19,242 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:25:20,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:20,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 111 states and 333 transitions. [2022-12-15 02:25:20,345 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 333 transitions. [2022-12-15 02:25:20,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-15 02:25:20,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:20,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:20,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-15 02:25:20,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:25:21,214 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 17 proven. 37 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 02:25:26,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:26,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 114 states and 339 transitions. [2022-12-15 02:25:26,017 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 339 transitions. [2022-12-15 02:25:26,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-15 02:25:26,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:26,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:26,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-15 02:25:26,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:25:27,664 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 17 proven. 37 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 02:25:31,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:31,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 117 states and 348 transitions. [2022-12-15 02:25:31,239 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 348 transitions. [2022-12-15 02:25:31,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-15 02:25:31,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:31,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:31,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 02:25:31,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:25:31,296 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:25:32,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:32,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 117 states and 347 transitions. [2022-12-15 02:25:32,049 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 347 transitions. [2022-12-15 02:25:32,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-15 02:25:32,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:32,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:32,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-15 02:25:32,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:25:32,990 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 17 proven. 37 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 02:25:34,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:34,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 118 states and 349 transitions. [2022-12-15 02:25:34,565 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 349 transitions. [2022-12-15 02:25:34,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-15 02:25:34,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:34,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:34,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 02:25:34,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:25:34,621 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:25:35,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:35,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 118 states and 348 transitions. [2022-12-15 02:25:35,707 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 348 transitions. [2022-12-15 02:25:35,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-15 02:25:35,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:35,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:35,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 31 conjunts are in the unsatisfiable core [2022-12-15 02:25:35,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:25:37,636 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 19 proven. 38 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-15 02:25:40,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:40,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 120 states and 351 transitions. [2022-12-15 02:25:40,643 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 351 transitions. [2022-12-15 02:25:40,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-15 02:25:40,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:40,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:40,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-15 02:25:40,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:25:41,796 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 17 proven. 37 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 02:25:44,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:44,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 121 states and 353 transitions. [2022-12-15 02:25:44,081 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 353 transitions. [2022-12-15 02:25:44,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-15 02:25:44,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:44,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:44,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 31 conjunts are in the unsatisfiable core [2022-12-15 02:25:44,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:25:46,029 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 19 proven. 38 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-15 02:25:49,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:49,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 123 states and 356 transitions. [2022-12-15 02:25:49,452 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 356 transitions. [2022-12-15 02:25:49,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-15 02:25:49,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:49,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:49,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 02:25:49,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:25:49,513 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:25:50,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:25:50,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 125 states and 359 transitions. [2022-12-15 02:25:50,660 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 359 transitions. [2022-12-15 02:25:50,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-15 02:25:50,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:25:50,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:25:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:25:50,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-15 02:25:50,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:25:51,366 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 100 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:26:05,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:26:05,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 137 states and 419 transitions. [2022-12-15 02:26:05,085 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 419 transitions. [2022-12-15 02:26:05,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-15 02:26:05,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:26:05,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:26:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:26:05,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-15 02:26:05,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:26:05,569 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 100 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 02:26:11,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:26:11,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 64 states and 112 transitions. [2022-12-15 02:26:11,476 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 112 transitions. [2022-12-15 02:26:11,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-15 02:26:11,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:26:11,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:26:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 02:26:11,510 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 02:26:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 02:26:11,556 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 40 iterations. [2022-12-15 02:26:11,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 02:26:11 ImpRootNode [2022-12-15 02:26:11,581 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 02:26:11,581 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 02:26:11,581 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 02:26:11,581 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 02:26:11,582 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:24:21" (3/4) ... [2022-12-15 02:26:11,583 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-15 02:26:11,625 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a01c69-a4df-4aba-ae76-0f8c5f43afb7/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 02:26:11,625 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 02:26:11,626 INFO L158 Benchmark]: Toolchain (without parser) took 110602.20ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 99.5MB in the beginning and 85.2MB in the end (delta: 14.2MB). Peak memory consumption was 81.3MB. Max. memory is 16.1GB. [2022-12-15 02:26:11,626 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 140.5MB. Free memory is still 113.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:26:11,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.96ms. Allocated memory is still 140.5MB. Free memory was 99.2MB in the beginning and 89.0MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-15 02:26:11,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.89ms. Allocated memory is still 140.5MB. Free memory was 88.9MB in the beginning and 87.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:26:11,627 INFO L158 Benchmark]: Boogie Preprocessor took 17.09ms. Allocated memory is still 140.5MB. Free memory was 87.5MB in the beginning and 86.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:26:11,628 INFO L158 Benchmark]: RCFGBuilder took 251.79ms. Allocated memory is still 140.5MB. Free memory was 86.2MB in the beginning and 74.6MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 02:26:11,628 INFO L158 Benchmark]: CodeCheck took 110039.06ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 74.6MB in the beginning and 88.4MB in the end (delta: -13.8MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2022-12-15 02:26:11,628 INFO L158 Benchmark]: Witness Printer took 44.33ms. Allocated memory is still 205.5MB. Free memory was 88.4MB in the beginning and 85.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:26:11,630 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 110.0s, OverallIterations: 40, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7315 SdHoareTripleChecker+Valid, 47.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4223 mSDsluCounter, 2209 SdHoareTripleChecker+Invalid, 41.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 888 mSDsCounter, 7713 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28135 IncrementalHoareTripleChecker+Invalid, 35848 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7713 mSolverCounterUnsat, 1321 mSDtfsCounter, 28135 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17133 GetRequests, 16189 SyntacticMatches, 372 SemanticMatches, 572 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182254 ImplicationChecksByTransitivity, 95.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 19.6s InterpolantComputationTime, 1411 NumberOfCodeBlocks, 1411 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 1318 ConstructedInterpolants, 0 QuantifiedInterpolants, 15409 SizeOfPredicates, 120 NumberOfNonLiveVariables, 4231 ConjunctsInSsa, 721 ConjunctsInUnsatCore, 39 InterpolantComputations, 6 PerfectInterpolantSequences, 711/1563 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; [L24] int x1, x2; [L25] int y1, y2, y3; [L26] x1 = __VERIFIER_nondet_int() [L27] x2 = __VERIFIER_nondet_int() [L29] CALL assume_abort_if_not(x1 >= 0) VAL [\old(cond)=1, counter=0] [L13] COND FALSE !(!cond) [L29] RET assume_abort_if_not(x1 >= 0) VAL [counter=0, x1=6, x2=2] [L30] CALL assume_abort_if_not(x2 != 0) VAL [\old(cond)=1, counter=0] [L13] COND FALSE !(!cond) [L30] RET assume_abort_if_not(x2 != 0) VAL [counter=0, x1=6, x2=2] [L32] y1 = 0 [L33] y2 = 0 [L34] y3 = x1 VAL [counter=0, x1=6, x2=2, y1=0, y2=0, y3=6] [L36] EXPR counter++ VAL [counter=1, counter++=0, x1=6, x2=2, y1=0, y2=0, y3=6] [L36] COND TRUE counter++<5 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, counter=1] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [counter=1, x1=6, x2=2, y1=0, y2=0, y3=6] [L39] COND FALSE !(!(y3 != 0)) [L41] COND FALSE !(y2 + 1 == x2) [L46] y2 = y2 + 1 [L47] y3 = y3 - 1 VAL [counter=1, x1=6, x2=2, y1=0, y2=1, y3=5] [L36] EXPR counter++ VAL [counter=2, counter++=1, x1=6, x2=2, y1=0, y2=1, y3=5] [L36] COND TRUE counter++<5 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, counter=2] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [counter=2, x1=6, x2=2, y1=0, y2=1, y3=5] [L39] COND FALSE !(!(y3 != 0)) [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [counter=2, x1=6, x2=2, y1=1, y2=0, y3=4] [L36] EXPR counter++ VAL [counter=3, counter++=2, x1=6, x2=2, y1=1, y2=0, y3=4] [L36] COND TRUE counter++<5 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, counter=3] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=3] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [counter=3, x1=6, x2=2, y1=1, y2=0, y3=4] [L39] COND FALSE !(!(y3 != 0)) [L41] COND FALSE !(y2 + 1 == x2) [L46] y2 = y2 + 1 [L47] y3 = y3 - 1 VAL [counter=3, x1=6, x2=2, y1=1, y2=1, y3=3] [L36] EXPR counter++ VAL [counter=4, counter++=3, x1=6, x2=2, y1=1, y2=1, y3=3] [L36] COND TRUE counter++<5 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, counter=4] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=4] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [counter=4, x1=6, x2=2, y1=1, y2=1, y3=3] [L39] COND FALSE !(!(y3 != 0)) [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [counter=4, x1=6, x2=2, y1=2, y2=0, y3=2] [L36] EXPR counter++ VAL [counter=5, counter++=4, x1=6, x2=2, y1=2, y2=0, y3=2] [L36] COND TRUE counter++<5 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, counter=5] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=5] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [counter=5, x1=6, x2=2, y1=2, y2=0, y3=2] [L39] COND FALSE !(!(y3 != 0)) [L41] COND FALSE !(y2 + 1 == x2) [L46] y2 = y2 + 1 [L47] y3 = y3 - 1 VAL [counter=5, x1=6, x2=2, y1=2, y2=1, y3=1] [L36] EXPR counter++ VAL [counter=6, counter++=5, x1=6, x2=2, y1=2, y2=1, y3=1] [L36] COND FALSE !(counter++<5) [L50] CALL __VERIFIER_assert(y1*x2 + y2 == x1) VAL [\old(cond)=0, counter=6] [L16] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=6] [L18] reach_error() VAL [\old(cond)=0, cond=0, counter=6] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 140.5MB. Free memory is still 113.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.96ms. Allocated memory is still 140.5MB. Free memory was 99.2MB in the beginning and 89.0MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.89ms. Allocated memory is still 140.5MB. Free memory was 88.9MB in the beginning and 87.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.09ms. Allocated memory is still 140.5MB. Free memory was 87.5MB in the beginning and 86.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 251.79ms. Allocated memory is still 140.5MB. Free memory was 86.2MB in the beginning and 74.6MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 110039.06ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 74.6MB in the beginning and 88.4MB in the end (delta: -13.8MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. * Witness Printer took 44.33ms. Allocated memory is still 205.5MB. Free memory was 88.4MB in the beginning and 85.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-15 02:26:11,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79a01c69-a4df-4aba-ae76-0f8c5f43afb7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE