./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.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_7d103e8c-2858-4114-801d-a3a0f7b9107a/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d103e8c-2858-4114-801d-a3a0f7b9107a/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_7d103e8c-2858-4114-801d-a3a0f7b9107a/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d103e8c-2858-4114-801d-a3a0f7b9107a/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d103e8c-2858-4114-801d-a3a0f7b9107a/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_7d103e8c-2858-4114-801d-a3a0f7b9107a/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 5cb4924cbdb465eb5009b33592f9047ad895ad10dbe627600c12529f62c9845d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 03:16:45,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:16:45,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:16:45,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:16:45,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:16:45,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:16:45,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:16:45,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:16:45,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:16:45,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:16:45,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:16:45,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:16:45,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:16:45,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:16:45,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:16:45,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:16:45,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:16:45,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:16:45,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:16:45,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:16:45,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:16:45,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:16:45,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:16:45,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:16:45,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:16:45,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:16:45,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:16:45,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:16:45,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:16:45,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:16:45,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:16:45,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:16:45,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:16:45,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:16:45,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:16:45,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:16:45,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:16:45,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:16:45,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:16:45,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:16:45,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:16:45,661 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d103e8c-2858-4114-801d-a3a0f7b9107a/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 03:16:45,681 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:16:45,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:16:45,682 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:16:45,683 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:16:45,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:16:45,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:16:45,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:16:45,684 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 03:16:45,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:16:45,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 03:16:45,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:16:45,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:16:45,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:16:45,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:16:45,685 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 03:16:45,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:16:45,685 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:16:45,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:16:45,686 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:16:45,686 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:16:45,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:16:45,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:16:45,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:16:45,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:16:45,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:16:45,687 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:16:45,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:16:45,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:16:45,688 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_7d103e8c-2858-4114-801d-a3a0f7b9107a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d103e8c-2858-4114-801d-a3a0f7b9107a/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cb4924cbdb465eb5009b33592f9047ad895ad10dbe627600c12529f62c9845d [2022-12-15 03:16:45,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:16:45,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:16:45,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:16:45,916 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:16:45,916 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:16:45,917 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d103e8c-2858-4114-801d-a3a0f7b9107a/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c [2022-12-15 03:16:48,493 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:16:48,633 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:16:48,633 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d103e8c-2858-4114-801d-a3a0f7b9107a/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c [2022-12-15 03:16:48,637 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d103e8c-2858-4114-801d-a3a0f7b9107a/bin/ukojak-rkRKPMF4O4/data/4186db912/5844428b94884c2eb9f43b59346da126/FLAGdc2207f90 [2022-12-15 03:16:48,648 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d103e8c-2858-4114-801d-a3a0f7b9107a/bin/ukojak-rkRKPMF4O4/data/4186db912/5844428b94884c2eb9f43b59346da126 [2022-12-15 03:16:48,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:16:48,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:16:48,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:16:48,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:16:48,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:16:48,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:16:48" (1/1) ... [2022-12-15 03:16:48,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f8e0a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:48, skipping insertion in model container [2022-12-15 03:16:48,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:16:48" (1/1) ... [2022-12-15 03:16:48,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:16:48,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:16:48,800 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_7d103e8c-2858-4114-801d-a3a0f7b9107a/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c[520,533] [2022-12-15 03:16:48,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:16:48,824 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:16:48,834 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_7d103e8c-2858-4114-801d-a3a0f7b9107a/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound50.c[520,533] [2022-12-15 03:16:48,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:16:48,852 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:16:48,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:48 WrapperNode [2022-12-15 03:16:48,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:16:48,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:16:48,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:16:48,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:16:48,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:48" (1/1) ... [2022-12-15 03:16:48,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:48" (1/1) ... [2022-12-15 03:16:48,877 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2022-12-15 03:16:48,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:16:48,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:16:48,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:16:48,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:16:48,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:48" (1/1) ... [2022-12-15 03:16:48,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:48" (1/1) ... [2022-12-15 03:16:48,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:48" (1/1) ... [2022-12-15 03:16:48,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:48" (1/1) ... [2022-12-15 03:16:48,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:48" (1/1) ... [2022-12-15 03:16:48,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:48" (1/1) ... [2022-12-15 03:16:48,892 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:48" (1/1) ... [2022-12-15 03:16:48,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:48" (1/1) ... [2022-12-15 03:16:48,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:16:48,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:16:48,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:16:48,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:16:48,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:48" (1/1) ... [2022-12-15 03:16:48,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:16:48,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d103e8c-2858-4114-801d-a3a0f7b9107a/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:16:48,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d103e8c-2858-4114-801d-a3a0f7b9107a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:16:48,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d103e8c-2858-4114-801d-a3a0f7b9107a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:16:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:16:48,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:16:48,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:16:48,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:16:48,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-15 03:16:48,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-15 03:16:49,011 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:16:49,013 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:16:49,117 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:16:49,148 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:16:49,148 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 03:16:49,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:16:49 BoogieIcfgContainer [2022-12-15 03:16:49,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:16:49,152 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:16:49,152 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:16:49,160 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:16:49,160 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:16:49" (1/1) ... [2022-12-15 03:16:49,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:16:49,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:49,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2022-12-15 03:16:49,218 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2022-12-15 03:16:49,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 03:16:49,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:49,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:49,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:16:49,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:49,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2022-12-15 03:16:49,554 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2022-12-15 03:16:49,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 03:16:49,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:49,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:49,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-15 03:16:49,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:49,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:16:49,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:49,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2022-12-15 03:16:49,942 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2022-12-15 03:16:49,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 03:16:49,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:49,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:49,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-15 03:16:49,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:50,024 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:16:50,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:50,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 42 transitions. [2022-12-15 03:16:50,123 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2022-12-15 03:16:50,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 03:16:50,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:50,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:50,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 03:16:50,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:50,192 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:16:50,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:50,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 47 transitions. [2022-12-15 03:16:50,289 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2022-12-15 03:16:50,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 03:16:50,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:50,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:50,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-15 03:16:50,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:50,367 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 03:16:50,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:50,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 52 transitions. [2022-12-15 03:16:50,510 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2022-12-15 03:16:50,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 03:16:50,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:50,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:50,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 03:16:50,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:50,581 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-15 03:16:50,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:50,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 55 transitions. [2022-12-15 03:16:50,738 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2022-12-15 03:16:50,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 03:16:50,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:50,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:50,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 03:16:50,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:50,832 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-15 03:16:51,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:51,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 57 transitions. [2022-12-15 03:16:51,025 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2022-12-15 03:16:51,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 03:16:51,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:51,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:51,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 03:16:51,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:51,222 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-15 03:16:51,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:51,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 56 transitions. [2022-12-15 03:16:51,595 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2022-12-15 03:16:51,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 03:16:51,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:51,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:51,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-15 03:16:51,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:51,685 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-15 03:16:51,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:51,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 60 transitions. [2022-12-15 03:16:51,888 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2022-12-15 03:16:51,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-15 03:16:51,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:51,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:51,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 03:16:51,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:51,931 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-15 03:16:52,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:52,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 61 transitions. [2022-12-15 03:16:52,019 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2022-12-15 03:16:52,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 03:16:52,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:52,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:52,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 03:16:52,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:52,114 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-15 03:16:52,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:52,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 67 transitions. [2022-12-15 03:16:52,309 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2022-12-15 03:16:52,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-15 03:16:52,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:52,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:52,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 03:16:52,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:52,353 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-15 03:16:52,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:52,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 66 transitions. [2022-12-15 03:16:52,399 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2022-12-15 03:16:52,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-15 03:16:52,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:52,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:52,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-15 03:16:52,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:52,539 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-12-15 03:16:52,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:52,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 68 transitions. [2022-12-15 03:16:52,777 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2022-12-15 03:16:52,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-15 03:16:52,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:52,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:52,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-15 03:16:52,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:52,874 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 15 proven. 35 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-12-15 03:16:53,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:53,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 41 states and 72 transitions. [2022-12-15 03:16:53,082 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2022-12-15 03:16:53,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-15 03:16:53,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:53,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:53,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 03:16:53,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:53,116 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2022-12-15 03:16:53,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:53,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 73 transitions. [2022-12-15 03:16:53,207 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2022-12-15 03:16:53,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-15 03:16:53,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:53,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:53,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-15 03:16:53,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:53,324 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-12-15 03:16:53,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:53,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 45 states and 79 transitions. [2022-12-15 03:16:53,577 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2022-12-15 03:16:53,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-15 03:16:53,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:53,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:53,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 03:16:53,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:53,621 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-12-15 03:16:53,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:53,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 78 transitions. [2022-12-15 03:16:53,671 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2022-12-15 03:16:53,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-15 03:16:53,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:53,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:53,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-15 03:16:53,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:53,834 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 19 proven. 52 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-12-15 03:16:54,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:54,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 80 transitions. [2022-12-15 03:16:54,082 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2022-12-15 03:16:54,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-12-15 03:16:54,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:54,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:54,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-15 03:16:54,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:54,231 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 21 proven. 58 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2022-12-15 03:16:54,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:54,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 47 states and 84 transitions. [2022-12-15 03:16:54,488 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2022-12-15 03:16:54,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-15 03:16:54,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:54,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:54,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 03:16:54,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:54,533 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 59 proven. 7 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2022-12-15 03:16:54,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:54,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 85 transitions. [2022-12-15 03:16:54,641 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2022-12-15 03:16:54,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-15 03:16:54,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:54,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:54,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-15 03:16:54,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:54,815 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-12-15 03:16:55,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:55,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 51 states and 91 transitions. [2022-12-15 03:16:55,084 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 91 transitions. [2022-12-15 03:16:55,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-15 03:16:55,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:55,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:55,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 03:16:55,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:55,129 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-12-15 03:16:55,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:55,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 90 transitions. [2022-12-15 03:16:55,174 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2022-12-15 03:16:55,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-15 03:16:55,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:55,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:55,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-15 03:16:55,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:55,384 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 25 proven. 79 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-12-15 03:16:55,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:55,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 52 states and 92 transitions. [2022-12-15 03:16:55,727 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2022-12-15 03:16:55,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-15 03:16:55,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:55,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:55,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 33 conjunts are in the unsatisfiable core [2022-12-15 03:16:55,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:55,954 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 27 proven. 86 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2022-12-15 03:16:56,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:56,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 53 states and 96 transitions. [2022-12-15 03:16:56,318 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 96 transitions. [2022-12-15 03:16:56,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-15 03:16:56,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:56,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:56,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 03:16:56,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:56,364 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2022-12-15 03:16:56,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:56,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 54 states and 97 transitions. [2022-12-15 03:16:56,467 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2022-12-15 03:16:56,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-15 03:16:56,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:56,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:56,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-15 03:16:56,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:56,637 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2022-12-15 03:16:57,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:57,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 57 states and 103 transitions. [2022-12-15 03:16:57,015 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 103 transitions. [2022-12-15 03:16:57,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-15 03:16:57,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:57,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:57,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 03:16:57,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:57,068 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 78 proven. 7 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2022-12-15 03:16:57,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:57,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 57 states and 102 transitions. [2022-12-15 03:16:57,140 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 102 transitions. [2022-12-15 03:16:57,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-12-15 03:16:57,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:57,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:57,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 47 conjunts are in the unsatisfiable core [2022-12-15 03:16:57,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:57,467 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 31 proven. 111 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-12-15 03:16:57,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:57,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 58 states and 104 transitions. [2022-12-15 03:16:57,911 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 104 transitions. [2022-12-15 03:16:57,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-15 03:16:57,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:57,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:57,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 03:16:57,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:58,140 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 33 proven. 119 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2022-12-15 03:16:58,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:58,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 59 states and 108 transitions. [2022-12-15 03:16:58,580 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 108 transitions. [2022-12-15 03:16:58,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-12-15 03:16:58,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:58,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:58,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 03:16:58,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:58,634 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked. [2022-12-15 03:16:58,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:58,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 60 states and 109 transitions. [2022-12-15 03:16:58,778 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2022-12-15 03:16:58,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-15 03:16:58,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:58,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:58,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 34 conjunts are in the unsatisfiable core [2022-12-15 03:16:58,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:58,973 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 36 proven. 87 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-12-15 03:16:59,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:59,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 63 states and 115 transitions. [2022-12-15 03:16:59,395 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 115 transitions. [2022-12-15 03:16:59,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-12-15 03:16:59,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:59,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:59,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 03:16:59,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:59,453 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 95 proven. 7 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2022-12-15 03:16:59,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:59,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 63 states and 114 transitions. [2022-12-15 03:16:59,526 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 114 transitions. [2022-12-15 03:16:59,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-15 03:16:59,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:59,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:59,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 53 conjunts are in the unsatisfiable core [2022-12-15 03:16:59,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:59,966 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 37 proven. 148 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-12-15 03:17:00,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:00,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 64 states and 116 transitions. [2022-12-15 03:17:00,534 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 116 transitions. [2022-12-15 03:17:00,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-12-15 03:17:00,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:00,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:00,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-15 03:17:00,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:17:00,821 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 39 proven. 157 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2022-12-15 03:17:01,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:01,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 65 states and 120 transitions. [2022-12-15 03:17:01,313 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 120 transitions. [2022-12-15 03:17:01,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-15 03:17:01,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:01,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:01,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 03:17:01,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:17:01,363 INFO L134 CoverageAnalysis]: Checked inductivity of 987 backedges. 113 proven. 7 refuted. 0 times theorem prover too weak. 867 trivial. 0 not checked. [2022-12-15 03:17:01,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:01,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 66 states and 121 transitions. [2022-12-15 03:17:01,491 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 121 transitions. [2022-12-15 03:17:01,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-12-15 03:17:01,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:01,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:01,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 38 conjunts are in the unsatisfiable core [2022-12-15 03:17:01,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:17:01,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 42 proven. 119 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2022-12-15 03:17:02,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:02,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 69 states and 127 transitions. [2022-12-15 03:17:02,132 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 127 transitions. [2022-12-15 03:17:02,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-12-15 03:17:02,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:02,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:02,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 03:17:02,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:17:02,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 112 proven. 7 refuted. 0 times theorem prover too weak. 954 trivial. 0 not checked. [2022-12-15 03:17:02,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:02,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 69 states and 126 transitions. [2022-12-15 03:17:02,277 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 126 transitions. [2022-12-15 03:17:02,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-15 03:17:02,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:02,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:02,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 59 conjunts are in the unsatisfiable core [2022-12-15 03:17:02,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:17:02,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 43 proven. 190 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-12-15 03:17:03,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:03,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 70 states and 128 transitions. [2022-12-15 03:17:03,293 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 128 transitions. [2022-12-15 03:17:03,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-12-15 03:17:03,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:03,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:03,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 45 conjunts are in the unsatisfiable core [2022-12-15 03:17:03,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:17:03,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1191 backedges. 45 proven. 200 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2022-12-15 03:17:04,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:04,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 71 states and 132 transitions. [2022-12-15 03:17:04,254 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 132 transitions. [2022-12-15 03:17:04,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-12-15 03:17:04,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:04,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:04,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 03:17:04,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:17:04,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 131 proven. 7 refuted. 0 times theorem prover too weak. 1154 trivial. 0 not checked. [2022-12-15 03:17:04,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:04,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 72 states and 133 transitions. [2022-12-15 03:17:04,505 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 133 transitions. [2022-12-15 03:17:04,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-12-15 03:17:04,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:04,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:04,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 42 conjunts are in the unsatisfiable core [2022-12-15 03:17:04,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:17:04,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1308 backedges. 48 proven. 156 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2022-12-15 03:17:05,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:05,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 75 states and 139 transitions. [2022-12-15 03:17:05,297 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 139 transitions. [2022-12-15 03:17:05,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-12-15 03:17:05,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:05,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:05,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 03:17:05,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:17:05,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1390 backedges. 129 proven. 7 refuted. 0 times theorem prover too weak. 1254 trivial. 0 not checked. [2022-12-15 03:17:05,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:05,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 75 states and 138 transitions. [2022-12-15 03:17:05,442 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 138 transitions. [2022-12-15 03:17:05,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-12-15 03:17:05,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:05,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:05,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-15 03:17:05,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:17:06,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1414 backedges. 273 proven. 35 refuted. 0 times theorem prover too weak. 1106 trivial. 0 not checked. [2022-12-15 03:17:08,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:08,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 50 states and 82 transitions. [2022-12-15 03:17:08,782 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2022-12-15 03:17:08,782 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 03:17:08,783 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 44 iterations. [2022-12-15 03:17:08,789 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-15 03:17:09,713 INFO L560 CodeCheckObserver]: Invariant with dag size 66 [2022-12-15 03:17:09,720 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:17:09,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:17:09 ImpRootNode [2022-12-15 03:17:09,721 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:17:09,721 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:17:09,721 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:17:09,721 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:17:09,722 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:16:49" (3/4) ... [2022-12-15 03:17:09,723 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 03:17:09,727 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-15 03:17:09,729 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-12-15 03:17:09,729 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-15 03:17:09,729 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-15 03:17:09,729 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 03:17:09,754 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d103e8c-2858-4114-801d-a3a0f7b9107a/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:17:09,754 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:17:09,755 INFO L158 Benchmark]: Toolchain (without parser) took 21103.79ms. Allocated memory was 115.3MB in the beginning and 153.1MB in the end (delta: 37.7MB). Free memory was 75.6MB in the beginning and 50.7MB in the end (delta: 24.9MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2022-12-15 03:17:09,755 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:17:09,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.65ms. Allocated memory is still 115.3MB. Free memory was 75.6MB in the beginning and 65.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 03:17:09,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.81ms. Allocated memory is still 115.3MB. Free memory was 65.2MB in the beginning and 63.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:17:09,756 INFO L158 Benchmark]: Boogie Preprocessor took 16.28ms. Allocated memory is still 115.3MB. Free memory was 63.6MB in the beginning and 62.7MB in the end (delta: 914.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:17:09,756 INFO L158 Benchmark]: RCFGBuilder took 255.73ms. Allocated memory is still 115.3MB. Free memory was 62.7MB in the beginning and 50.8MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 03:17:09,757 INFO L158 Benchmark]: CodeCheck took 20569.18ms. Allocated memory was 115.3MB in the beginning and 153.1MB in the end (delta: 37.7MB). Free memory was 50.8MB in the beginning and 52.8MB in the end (delta: -2.0MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2022-12-15 03:17:09,757 INFO L158 Benchmark]: Witness Printer took 32.67ms. Allocated memory is still 153.1MB. Free memory was 52.8MB in the beginning and 50.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:17:09,760 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 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.6s, OverallIterations: 44, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5272 SdHoareTripleChecker+Valid, 30.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1332 mSDsluCounter, 2329 SdHoareTripleChecker+Invalid, 27.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1780 mSDsCounter, 9148 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18730 IncrementalHoareTripleChecker+Invalid, 27878 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9148 mSolverCounterUnsat, 549 mSDtfsCounter, 18730 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21815 GetRequests, 20917 SyntacticMatches, 648 SemanticMatches, 250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38986 ImplicationChecksByTransitivity, 12.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 3357 NumberOfCodeBlocks, 3357 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 3314 ConstructedInterpolants, 0 QuantifiedInterpolants, 9497 SizeOfPredicates, 93 NumberOfNonLiveVariables, 8267 ConjunctsInSsa, 985 ConjunctsInUnsatCore, 43 InterpolantComputations, 1 PerfectInterpolantSequences, 19198/21144 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 - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((16 == s && 3 == a) || (s == 36 && 5 == a)) || (a == 1 && s == 4)) || (9 == s && 2 == a)) || ((((((!(5 == t && 2 == a) && !(6 == a && t == 13)) && !(t == 1 + 2 * a && 2 == 2 * a)) && !(9 == t && a == 4)) && !(t == 15 && 7 == a)) && !(t == 11 && 5 == a)) && !(7 == t && 3 == a))) || (49 == s && t == 13)) || (7 == a && 64 == s)) || (s == 25 && a == 4) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 201.65ms. Allocated memory is still 115.3MB. Free memory was 75.6MB in the beginning and 65.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.81ms. Allocated memory is still 115.3MB. Free memory was 65.2MB in the beginning and 63.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.28ms. Allocated memory is still 115.3MB. Free memory was 63.6MB in the beginning and 62.7MB in the end (delta: 914.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 255.73ms. Allocated memory is still 115.3MB. Free memory was 62.7MB in the beginning and 50.8MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 20569.18ms. Allocated memory was 115.3MB in the beginning and 153.1MB in the end (delta: 37.7MB). Free memory was 50.8MB in the beginning and 52.8MB in the end (delta: -2.0MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. * Witness Printer took 32.67ms. Allocated memory is still 153.1MB. Free memory was 52.8MB in the beginning and 50.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 03:17:09,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d103e8c-2858-4114-801d-a3a0f7b9107a/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 Result: TRUE